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) arises from an untrusted pointer dereference in the Windows VBS Enclave component of Windows 10 Version 1607 (build 10.0.14393.0). It enables an attacker with authorized local access and high privileges to bypass security protections implemented by VBS. The CVSS vector indicates the attack requires local access, high attack complexity, and high privileges, with no user interaction needed. The vulnerability impacts confidentiality and integrity but does not affect availability. Microsoft has released an official patch to remediate this issue.
Potential Impact
An authorized attacker with high privileges on a vulnerable Windows 10 Version 1607 system can bypass security features provided by the VBS Enclave, potentially compromising system confidentiality and integrity. There is no known exploitation in the wild at this time. The vulnerability does not affect system availability.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability. Users and administrators should apply the provided security update from the Microsoft Security Response Center at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-23670 to remediate this issue. No additional mitigation steps are indicated by the vendor advisory.
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.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-23670) arises from an untrusted pointer dereference in the Windows VBS Enclave component of Windows 10 Version 1607 (build 10.0.14393.0). It enables an attacker with authorized local access and high privileges to bypass security protections implemented by VBS. The CVSS vector indicates the attack requires local access, high attack complexity, and high privileges, with no user interaction needed. The vulnerability impacts confidentiality and integrity but does not affect availability. Microsoft has released an official patch to remediate this issue.
Potential Impact
An authorized attacker with high privileges on a vulnerable Windows 10 Version 1607 system can bypass security features provided by the VBS Enclave, potentially compromising system confidentiality and integrity. There is no known exploitation in the wild at this time. The vulnerability does not affect system availability.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability. Users and administrators should apply the provided security update from the Microsoft Security Response Center at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-23670 to remediate this issue. No additional mitigation steps are indicated by the vendor advisory.
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: 4/14/2026, 7:18:41 PM
Last updated: 4/15/2026, 6:02:51 AM
Views: 4
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