CVE-2026-96246: CWE-125: Out-of-bounds Read in Microsoft Windows 10 Version 1607
Description
CVE-2026-96246 is a high-severity out-of-bounds read vulnerability in the Network Policy Server component of Microsoft Windows 10 Version 1607 and related builds. This flaw allows an unauthorized attacker to disclose information over a network without requiring user interaction or privileges. Microsoft has released an official fix addressing this issue.
CVSS v3.1
Score 7.5high
Affected software
Microsoft
Windows 10 Version 1607
Microsoft
Windows 10 Version 1809
Microsoft
Windows 10 Version 21H2
Microsoft
Windows 10 Version 22H2
Microsoft
Windows 11 version 23H2
Microsoft
Windows 11 Version 23H2
Microsoft
Windows 11 Version 24H2
Microsoft
Windows 11 Version 25H2
Microsoft
Windows 11 version 26H1
Microsoft
Windows 11 Version 26H2
Microsoft
Windows Server 2012
Microsoft
Windows Server 2012 (Server Core installation)
Microsoft
Windows Server 2012 R2
Microsoft
Windows Server 2012 R2 (Server Core installation)
Microsoft
Windows Server 2016
Microsoft
Windows Server 2016 (Server Core installation)
Microsoft
Windows Server 2019
Microsoft
Windows Server 2019 (Server Core installation)
Microsoft
Windows Server 2022
Microsoft
Windows Server 2025
Microsoft
Windows Server 2025 (Server Core installation)
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, identified as CWE-125, involves an out-of-bounds read in the Network Policy Server (NPS) on affected Windows 10 versions. An attacker can exploit this flaw remotely to disclose sensitive information over the network. The CVSS 3.1 base score is 7.5, reflecting a network attack vector with low complexity and no privileges or user interaction required. The vulnerability affects multiple Windows 10 builds including versions from 10.0.14393.0 up to but not including 10.0.14393.9612 and other specified version ranges. Microsoft has published an official fix for this vulnerability.
Potential Impact
Successful exploitation can lead to unauthorized information disclosure over the network. There is no impact on integrity or availability. The vulnerability does not require privileges or user interaction, increasing its risk. 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 updates provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96246 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-09-22T19:05:22.814Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96246","vendor":"Microsoft"}]
Threat ID: 6ace85732cdf04f656a0044d
Added to database: 10/13/2026, 19:24:35 UTC
Last enriched: 10/14/2026, 00:34:24 UTC
Last updated: 10/14/2026, 00:34:24 UTC
Views: 4
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.