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, tracked as CVE-2026-26155, is a buffer over-read (CWE-126) in the Local Security Authority Subsystem Service component of Microsoft Windows 10 Version 1607 (build 10.0.14393.0). The flaw allows an attacker with network access and low privileges to cause the system to disclose sensitive information. The CVSS 3.1 base score is 6.5, reflecting a network attack vector, low attack complexity, and no user interaction required. Microsoft has published an official fix for this vulnerability.
Potential Impact
Successful exploitation could result in unauthorized disclosure of sensitive information from the affected system. The vulnerability does not allow modification or disruption of system operations. No known active exploits have been reported.
Mitigation Recommendations
An official patch from Microsoft is available and should be applied to affected Windows 10 Version 1607 systems to remediate this vulnerability. Refer to the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26155 for update details and installation instructions.
CVE-2026-26155: CWE-126: Buffer Over-read in Microsoft Windows 10 Version 1607
Description
Microsoft Local Security Authority Subsystem Service Information Disclosure Vulnerability
CVSS v3.1
Score 6.5medium
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, tracked as CVE-2026-26155, is a buffer over-read (CWE-126) in the Local Security Authority Subsystem Service component of Microsoft Windows 10 Version 1607 (build 10.0.14393.0). The flaw allows an attacker with network access and low privileges to cause the system to disclose sensitive information. The CVSS 3.1 base score is 6.5, reflecting a network attack vector, low attack complexity, and no user interaction required. Microsoft has published an official fix for this vulnerability.
Potential Impact
Successful exploitation could result in unauthorized disclosure of sensitive information from the affected system. The vulnerability does not allow modification or disruption of system operations. No known active exploits have been reported.
Mitigation Recommendations
An official patch from Microsoft is available and should be applied to affected Windows 10 Version 1607 systems to remediate this vulnerability. Refer to the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26155 for update details and installation instructions.
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: 5/19/2026, 10:33:50 AM
Last updated: 5/28/2026, 7:29:09 AM
Views: 40
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