CVE-2026-80083: CWE-822: Untrusted Pointer Dereference in Microsoft Windows 11 version 23H2
Untrusted pointer dereference in Windows Hyper-V allows an authorized attacker to execute code locally.
AI Analysis
Technical Summary
This vulnerability, identified as CWE-822 (Untrusted Pointer Dereference), exists in Windows Hyper-V on Windows 11 version 23H2 (build 10.0.22631.0). It allows an attacker with local privileges to execute arbitrary code by exploiting improper handling of pointers. The CVSS 3.1 base score is 8.8, reflecting high impact on confidentiality, integrity, and availability. Microsoft has released an official patch to remediate this vulnerability.
Potential Impact
Successful exploitation enables local code execution with elevated privileges, potentially compromising system confidentiality, integrity, and availability. The vulnerability requires local access and an authorized user context, but no user interaction is needed. There are no known exploits in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-80083 to remediate this vulnerability.
CVE-2026-80083: CWE-822: Untrusted Pointer Dereference in Microsoft Windows 11 version 23H2
Description
Untrusted pointer dereference in Windows Hyper-V allows an authorized attacker to execute code locally.
CVSS v3.1
Score 8.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, identified as CWE-822 (Untrusted Pointer Dereference), exists in Windows Hyper-V on Windows 11 version 23H2 (build 10.0.22631.0). It allows an attacker with local privileges to execute arbitrary code by exploiting improper handling of pointers. The CVSS 3.1 base score is 8.8, reflecting high impact on confidentiality, integrity, and availability. Microsoft has released an official patch to remediate this vulnerability.
Potential Impact
Successful exploitation enables local code execution with elevated privileges, potentially compromising system confidentiality, integrity, and availability. The vulnerability requires local access and an authorized user context, but no user interaction is needed. There are no known exploits in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-80083 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-08-25T18:37:59.828Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-80083","vendor":"Microsoft"}]
Threat ID: 6aa04568acd9273b49faa3d0
Added to database: 09/08/2026, 17:27:04 UTC
Last enriched: 09/08/2026, 18:38:29 UTC
Last updated: 09/09/2026, 00:05:18 UTC
Views: 3
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