{ "__comment__": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content you must provide attribution to Intel Corporation and provide a link to the original.", "document": { "category": "csaf_security_advisory", "csaf_version": "2.0", "distribution": { "text": "Copyright © Intel Corporation All rights reserved.", "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en", "publisher": { "category": "vendor", "contact_details": "secure@intel.com", "issuing_authority": "Intel Corporation is responsible for vulnerability handling across all Intel offerings.", "name": "Intel Corporation", "namespace": "https://www.intel.com" }, "tracking": { "id": "INTEL-SA-01387", "initial_release_date": "2026-05-12T00:00:00+00:00", "current_release_date": "2026-05-12T00:00:00+00:00", "revision_history": [ { "date": "2026-05-12T00:00:00+00:00", "number": "1.0.0", "summary": "Initial release" } ], "status": "final", "version": "1.0.0" }, "title": "Intel® QAT Software Drivers for Windows Advisory ", "references": [ { "summary": "Security Center", "url": "https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01387.html" } ], "notes": [ { "title": "Summary", "category": "summary", "text": "Potential security vulnerabilities in some Intel® QuickAssist Technology (QAT) software drivers for Windows may allow denial of service. Intel is releasing software updates to mitigate these potential vulnerabilities." }, { "title": "Legal Notices and Disclaimers", "category": "legal_disclaimer", "text": "Intel provides these materials as-is, with no express or implied warranties.\\r\\nAll products, dates, and figures specified are preliminary based on current expectations, and are subject to change without notice. \\r\\nIntel products and services described may contain design defects or errors known as errata, which may cause the product to deviate from published specifications. Current characterized errata are available on request.\\r\\nIntel products that have met their End of Servicing Updates may no longer receive functional and security updates. For additional details on support and servicing, please see this help article. (https://www.intel.com/content/www/us/en/support/articles/000022396/processors.html)\\r\\nIntel technologies' features and benefits depend on system configuration and may require enabled hardware, software or service activation. Performance varies depending on system configuration. No product or component can be absolutely secure. Check with your system manufacturer or retailer or learn more at http://intel.com.(http://intel.com) \\r\\nSome results have been estimated or simulated using internal Intel analysis or architecture simulation or modeling, and provided to you for informational purposes. Any differences in your system hardware, software or configuration may affect your actual performance. \\r\\nIntel and the Intel logo are trademarks of Intel Corporation or its subsidiaries in the United States and other countries. \\r\\n© Intel Corporation. Intel, the Intel logo, and other Intel marks are trademarks of Intel Corporation or its subsidiaries. Other names and brands may be claimed as the property of others." }, { "title": "Recommendation", "category": "details", "text": "Intel recommends updating Intel® QAT software drivers for Windows to version 1.13 or later.Updates are available for download at this location:\r\nhttps://www.intel.com/content/www/us/en/download/19732/intel-quickassist-technology-intel-qat-driver-for-windows-for-customer-enabling-ce-release.html\r\n \r\nIntel recommends updating Intel® QAT software drivers for Windows to version 2.6.0 or later.Updates are available for download at this location:https://www.intel.com/content/www/us/en/download/765502/intel-quickassist-technology-intel-qat-driver-for-windows-for-hardware-version-2-0.html" }, { "title": "Severity rating", "category": "details", "text": "High" }, { "title": "Advisory Category", "category": "details", "text": "Software" }, { "title": "Impact of vulnerability", "category": "details", "text": "Escalation of Privilege, Denial of Service" }, { "title": "Contact", "category": "details", "text": "Contact Intel PSIRT at mailto:secure@intel.com with any questions, requests for technical details, or proposed coordination with other parties. Please encrypt any sensitive details using our PGP key, which can be found at https://www.intel.com/content/www/us/en/security-center/pgp-public-key.html." } ], "acknowledgments": [ { "names": [ "Intel would like to thank Aobo Wang(@M4x_1997) for reporting these issues. Intel, and nearly the entire technology industry, follows a disclosure practice called Coordinated Disclosure, under which a cybersecurity vulnerability is generally publicly disclosed only after mitigations are available." ] } ] }, "vulnerabilities": [ { "cve": "CVE-2026-20782", "cwe": { "id": "CWE-120", "name": "Buffer overflow" }, "title": "Buffer overflow for some Intel® QAT software drivers for Windows before version 1.13 within Ring 3: User Applications may allow a denial of service. Unprivileged software adversary with an authenticated user combined with a low complexity attack may enable denial of service. This result may potentially occur via local access when attack requirements are not present without special internal knowledge and requires no user interaction. The potential vulnerability may impact the confidentiality (low), integrity (low) and availability (high) of the vulnerable system, resulting in subsequent system confidentiality (none), integrity (none) and availability (none) impacts.", "scores": [ { "cvss_v4": { "attackVector": "LOCAL", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "version": "4.0", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N", "baseScore": 6.9, "baseSeverity": "MEDIUM" }, "products": [ "See reference." ] } ], "product_status": { "known_affected": [ "See reference." ] } }, { "cve": "CVE-2026-20914", "cwe": { "id": "CWE-476", "name": "NULL pointer dereference" }, "title": "Null pointer dereference for some Intel® QAT software drivers for Windows before version 2.6.0 within Ring 3: User Applications may allow a denial of service. Unprivileged software adversary with an authenticated user combined with a low complexity attack may enable denial of service. This result may potentially occur via local access when attack requirements are not present without special internal knowledge and requires no user interaction. The potential vulnerability may impact the confidentiality (none), integrity (none) and availability (high) of the vulnerable system, resulting in subsequent system confidentiality (none), integrity (none) and availability (none) impacts.", "scores": [ { "cvss_v4": { "attackVector": "LOCAL", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "version": "4.0", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N", "baseScore": 6.8, "baseSeverity": "MEDIUM" }, "products": [ "See reference." ] } ], "product_status": { "known_affected": [ "See reference." ] } }, { "cve": "CVE-2026-20771", "cwe": { "id": "CWE-476", "name": "NULL pointer dereference" }, "title": "Null pointer dereference for some Intel® QAT software drivers for Windows before version 1.13 within Ring 3: User Applications may allow a denial of service. Unprivileged software adversary with an authenticated user combined with a low complexity attack may enable denial of service. This result may potentially occur via local access when attack requirements are not present without special internal knowledge and requires no user interaction. The potential vulnerability may impact the confidentiality (low), integrity (none) and availability (high) of the vulnerable system, resulting in subsequent system confidentiality (none), integrity (none) and availability (none) impacts.", "scores": [ { "cvss_v4": { "attackVector": "LOCAL", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "version": "4.0", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N", "baseScore": 6.9, "baseSeverity": "MEDIUM" }, "products": [ "See reference." ] } ], "product_status": { "known_affected": [ "See reference." ] } }, { "cve": "CVE-2026-20881", "cwe": { "id": "CWE-369", "name": "Divide By Zero" }, "title": "Divide by zero for some Intel® QAT software drivers for Windows before version 1.13 within Ring 3: User Applications may allow a denial of service. Unprivileged software adversary with an authenticated user combined with a low complexity attack may enable denial of service. This result may potentially occur via local access when attack requirements are not present without special internal knowledge and requires no user interaction. The potential vulnerability may impact the confidentiality (none), integrity (none) and availability (high) of the vulnerable system, resulting in subsequent system confidentiality (none), integrity (none) and availability (none) impacts.", "scores": [ { "cvss_v4": { "attackVector": "LOCAL", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "version": "4.0", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N", "baseScore": 6.8, "baseSeverity": "MEDIUM" }, "products": [ "See reference." ] } ], "product_status": { "known_affected": [ "See reference." ] } }, { "cve": "CVE-2026-20717", "cwe": { "id": "CWE-20", "name": "Improper input validation" }, "title": "Improper input validation for some Intel® QAT software drivers for Windows before version 1.13 within Ring 3: User Applications may allow a denial of service. Unprivileged software adversary with an authenticated user combined with a low complexity attack may enable denial of service. This result may potentially occur via local access when attack requirements are not present without special internal knowledge and requires no user interaction. The potential vulnerability may impact the confidentiality (low), integrity (low) and availability (high) of the vulnerable system, resulting in subsequent system confidentiality (none), integrity (none) and availability (none) impacts.", "scores": [ { "cvss_v4": { "attackVector": "LOCAL", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "version": "4.0", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N", "baseScore": 6.9, "baseSeverity": "MEDIUM" }, "products": [ "See reference." ] } ], "product_status": { "known_affected": [ "See reference." ] } }, { "cve": "CVE-2026-20767", "cwe": { "id": "CWE-20", "name": "Improper input validation" }, "title": "Improper input validation for some Intel® QAT software drivers for Windows before version 1.13 within Ring 3: User Applications may allow an escalation of privilege. Unprivileged software adversary with an authenticated user combined with a low complexity attack may enable escalation of privilege. This result may potentially occur via local access when attack requirements are not present without special internal knowledge and requires no user interaction. The potential vulnerability may impact the confidentiality (high), integrity (high) and availability (high) of the vulnerable system, resulting in subsequent system confidentiality (none), integrity (none) and availability (none) impacts.", "scores": [ { "cvss_v4": { "attackVector": "LOCAL", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "version": "4.0", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N", "baseScore": 8.5, "baseSeverity": "MEDIUM" }, "products": [ "See reference." ] } ], "product_status": { "known_affected": [ "See reference." ] } }, { "cve": "CVE-2026-20714", "cwe": { "id": "CWE-787", "name": "Out-of-bounds write" }, "title": "Out-of-bounds write for some Intel® QAT software drivers for Windows before version 1.13 within Ring 3: User Applications may allow a escalation of privilege. Unprivileged software adversary with an authenticated user combined with a low complexity attack may enable escalation of privilege. This result may potentially occur via local access when attack requirements are not present without special internal knowledge and requires no user interaction. The potential vulnerability may impact the confidentiality (high), integrity (high) and availability (high) of the vulnerable system, resulting in subsequent system confidentiality (none), integrity (none) and availability (none) impacts.", "scores": [ { "cvss_v4": { "attackVector": "LOCAL", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "version": "4.0", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N", "baseScore": 8.5, "baseSeverity": "MEDIUM" }, "products": [ "See reference." ] } ], "product_status": { "known_affected": [ "See reference." ] } }, { "cve": "CVE-2026-20738", "cwe": { "id": "CWE-822", "name": "Untrusted pointer dereference" }, "title": "Untrusted pointer dereference for some Intel® QuickAssist Adapter 8960 software before version 1.13 within Ring 3: User Applications may allow an escalation of privilege. Unprivileged software adversary with an authenticated user combined with a low complexity attack may enable escalation of privilege. This result may potentially occur via local access when attack requirements are not present without special internal knowledge and requires no user interaction. The potential vulnerability may impact the confidentiality (high), integrity (high) and availability (high) of the vulnerable system, resulting in subsequent system confidentiality (none), integrity (none) and availability (none) impacts.", "scores": [ { "cvss_v4": { "attackVector": "LOCAL", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "version": "4.0", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N", "baseScore": 8.5, "baseSeverity": "HIGH" }, "products": [ "See reference." ] } ], "product_status": { "known_affected": [ "See reference." ] } }, { "cve": "CVE-2026-20793", "cwe": { "id": "CWE-252", "name": "Unchecked return value" }, "title": "Unchecked return value for some Intel® QAT software drivers for Windows before version 1.13 within Ring 3: User Applications may allow a denial of service. Unprivileged software adversary with an authenticated user combined with a low complexity attack may enable denial of service. This result may potentially occur via local access when attack requirements are not present without special internal knowledge and requires no user interaction. The potential vulnerability may impact the confidentiality (none), integrity (none) and availability (low) of the vulnerable system, resulting in subsequent system confidentiality (none), integrity (none) and availability (none) impacts.", "scores": [ { "cvss_v4": { "attackVector": "LOCAL", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "LOW", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "version": "4.0", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N", "baseScore": 4.8, "baseSeverity": "MEDIUM" }, "products": [ "See reference." ] } ], "product_status": { "known_affected": [ "See reference." ] } }, { "cve": "CVE-2026-20905", "cwe": { "id": "CWE-20", "name": "Improper input validation" }, "title": "Improper input validation for some Intel® QAT software drivers for Windows before version 2.6 within Ring 3: User Applications may allow a denial of service. Unprivileged software adversary with an authenticated user combined with a low complexity attack may enable denial of service. This result may potentially occur via local access when attack requirements are not present without special internal knowledge and requires no user interaction. The potential vulnerability may impact the confidentiality (low), integrity (low) and availability (high) of the vulnerable system, resulting in subsequent system confidentiality (none), integrity (none) and availability (none) impacts.", "scores": [ { "cvss_v4": { "attackVector": "LOCAL", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "version": "4.0", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N", "baseScore": 6.9, "baseSeverity": "MEDIUM" }, "products": [ "See reference." ] } ], "product_status": { "known_affected": [ "See reference." ] } } ] }