CVE-2026-26155: CWE-126: Buffer Over-read in Microsoft Windows 10 Version 1607
Microsoft Local Security Authority Subsystem Service Information Disclosure Vulnerability
AI Analysis
Technical Summary
This vulnerability, identified as CWE-126 (Buffer Over-read), affects the Local Security Authority Subsystem Service in Microsoft Windows 10 Version 1607 (build 10.0.14393.0). It allows an attacker with network access and low privileges to cause the system to read beyond allocated buffers, potentially disclosing sensitive information. The CVSS v3.1 base score is 6.5, reflecting a medium severity with high confidentiality impact but no integrity or availability impact. Microsoft has released an official patch to remediate this vulnerability.
Potential Impact
Successful exploitation of this vulnerability can result in unauthorized disclosure of sensitive information from the affected system. There is no impact on system integrity or availability. No known exploits are currently reported in the wild.
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-2026-26155 to remediate this vulnerability.
CVE-2026-26155: CWE-126: Buffer Over-read in Microsoft Windows 10 Version 1607
Description
Microsoft Local Security Authority Subsystem Service Information Disclosure Vulnerability
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, identified as CWE-126 (Buffer Over-read), affects the Local Security Authority Subsystem Service in Microsoft Windows 10 Version 1607 (build 10.0.14393.0). It allows an attacker with network access and low privileges to cause the system to read beyond allocated buffers, potentially disclosing sensitive information. The CVSS v3.1 base score is 6.5, reflecting a medium severity with high confidentiality impact but no integrity or availability impact. Microsoft has released an official patch to remediate this vulnerability.
Potential Impact
Successful exploitation of this vulnerability can result in unauthorized disclosure of sensitive information from the affected system. There is no impact on system integrity or availability. No known exploits are currently reported in the wild.
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-2026-26155 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-02-11T16:24:51.135Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26155","vendor":"Microsoft"}]
Threat ID: 69de7a1682d89c981fd6a636
Added to database: 4/14/2026, 5:32:06 PM
Last enriched: 4/14/2026, 7:18:00 PM
Last updated: 4/15/2026, 6:05:39 AM
Views: 3
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