CVE-2026-20881: Denial of Service in Intel(R) QAT software drivers for Windows
CVE-2026-20881 is a medium severity denial of service vulnerability in Intel(R) QAT software drivers for Windows versions before 1. 13. It involves a divide-by-zero error in user-mode (Ring 3) that can be triggered by an unprivileged authenticated user with local access and low attack complexity. The vulnerability impacts system availability but does not affect confidentiality or integrity. No known exploits are reported in the wild. Patch status is not confirmed as no official fix or remediation guidance is provided by the vendor at this time.
AI Analysis
Technical Summary
This vulnerability in Intel(R) QAT software drivers for Windows prior to version 1.13 is caused by a divide-by-zero error in user-mode components. An unprivileged attacker with authenticated local access can exploit this flaw without user interaction to cause a denial of service, impacting system availability. The CVSS 4.0 base score is 6.8, reflecting medium severity. There is no indication of confidentiality or integrity impact. The vulnerability requires local access and low complexity to exploit but no special privileges beyond authentication.
Potential Impact
Successful exploitation results in denial of service, affecting system availability. There is no impact on confidentiality or integrity. The attack requires local authenticated access but no user interaction or special privileges beyond that. No known active exploitation has been reported.
Mitigation Recommendations
Patch status is not yet confirmed—check the vendor advisory for current remediation guidance. Until an official fix is released, limit local access to trusted users and monitor for unusual application crashes related to Intel QAT drivers. No vendor advisory or official remediation level is currently available.
CVE-2026-20881: Denial of Service in Intel(R) QAT software drivers for Windows
Description
CVE-2026-20881 is a medium severity denial of service vulnerability in Intel(R) QAT software drivers for Windows versions before 1. 13. It involves a divide-by-zero error in user-mode (Ring 3) that can be triggered by an unprivileged authenticated user with local access and low attack complexity. The vulnerability impacts system availability but does not affect confidentiality or integrity. No known exploits are reported in the wild. Patch status is not confirmed as no official fix or remediation guidance is provided by the vendor at this time.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Intel(R) QAT software drivers for Windows prior to version 1.13 is caused by a divide-by-zero error in user-mode components. An unprivileged attacker with authenticated local access can exploit this flaw without user interaction to cause a denial of service, impacting system availability. The CVSS 4.0 base score is 6.8, reflecting medium severity. There is no indication of confidentiality or integrity impact. The vulnerability requires local access and low complexity to exploit but no special privileges beyond authentication.
Potential Impact
Successful exploitation results in denial of service, affecting system availability. There is no impact on confidentiality or integrity. The attack requires local authenticated access but no user interaction or special privileges beyond that. No known active exploitation has been reported.
Mitigation Recommendations
Patch status is not yet confirmed—check the vendor advisory for current remediation guidance. Until an official fix is released, limit local access to trusted users and monitor for unusual application crashes related to Intel QAT drivers. No vendor advisory or official remediation level is currently available.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- intel
- Date Reserved
- 2025-12-04T04:00:32.822Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a03656fcbff5d861008daa0
Added to database: 5/12/2026, 5:37:51 PM
Last enriched: 5/12/2026, 5:52:19 PM
Last updated: 5/12/2026, 9:05:07 PM
Views: 5
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