CVE-2026-23670: CWE-822: Untrusted Pointer Dereference in Microsoft Windows 10 Version 1607
Untrusted pointer dereference in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to bypass a security feature locally.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-23670) is caused by an untrusted pointer dereference in the Windows VBS Enclave component of Windows 10 Version 1607 (build 10.0.14393.0). It enables a local attacker with high privileges to bypass security features by exploiting improper handling of pointers within the enclave. The issue is tracked under CWE-822. Microsoft has released an official fix to address this vulnerability.
Potential Impact
An authorized attacker with high privileges on the affected Windows 10 system can bypass security features implemented by the VBS Enclave, potentially compromising confidentiality and integrity of protected data or operations. The vulnerability does not affect availability and requires local access with elevated privileges. No known exploits have been reported in the wild.
Mitigation Recommendations
Microsoft has released an official patch to remediate this vulnerability. It is strongly recommended to apply the official update available from the Microsoft Security Response Center at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-23670 to fully mitigate the risk.
CVE-2026-23670: CWE-822: Untrusted Pointer Dereference in Microsoft Windows 10 Version 1607
Description
Untrusted pointer dereference in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to bypass a security feature locally.
CVSS v3.1
Score 5.7medium
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-23670) is caused by an untrusted pointer dereference in the Windows VBS Enclave component of Windows 10 Version 1607 (build 10.0.14393.0). It enables a local attacker with high privileges to bypass security features by exploiting improper handling of pointers within the enclave. The issue is tracked under CWE-822. Microsoft has released an official fix to address this vulnerability.
Potential Impact
An authorized attacker with high privileges on the affected Windows 10 system can bypass security features implemented by the VBS Enclave, potentially compromising confidentiality and integrity of protected data or operations. The vulnerability does not affect availability and requires local access with elevated privileges. No known exploits have been reported in the wild.
Mitigation Recommendations
Microsoft has released an official patch to remediate this vulnerability. It is strongly recommended to apply the official update available from the Microsoft Security Response Center at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-23670 to fully mitigate the risk.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-01-14T16:59:33.465Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-23670","vendor":"Microsoft"}]
Threat ID: 69de7a1482d89c981fd6a5f5
Added to database: 4/14/2026, 5:32:04 PM
Last enriched: 5/19/2026, 10:32:27 AM
Last updated: 5/28/2026, 2:44:05 PM
Views: 48
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