Disclosure summary
Use of a cryptographic primitive with a risky implementation in Windows Cryptographic Services allows an authorized attacker to disclose information locally.
Source-reported weakness categories
CWE-1240
Source-specific records & product guidance
Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.
Microsoft Security Updates (CVRF) · 2025-Oct
Open original source · Updated Oct 14, 2025
Windows Cryptographic Services Information Disclosure Vulnerability
Maximum of vendor-reported product scores; products and fixed builds are associations, not a universal affected-version statement.
Microsoft maximum product score: 7.8
| Vendor | Product / association | Version / bounds |
|---|---|---|
| Microsoft update guide | Windows 11 Version 25H2 for x64-based Systems | (MSRC status code 3) |
| Microsoft update guide | Windows 11 Version 25H2 for ARM64-based Systems | (MSRC status code 3) |
| Microsoft update guide | Windows 10 Version 1809 for 32-bit Systems | (MSRC status code 3) |
| Microsoft update guide | Windows 10 Version 1809 for x64-based Systems | (MSRC status code 3) |
| Microsoft update guide | Windows Server 2019 | (MSRC status code 3) |
| Microsoft update guide | Windows Server 2019 (Server Core installation) | (MSRC status code 3) |
| Microsoft update guide | Windows Server 2022 | (MSRC status code 3) |
| Microsoft update guide | Windows Server 2022 (Server Core installation) | (MSRC status code 3) |
| Microsoft update guide | Windows 10 Version 21H2 for 32-bit Systems | (MSRC status code 3) |
| Microsoft update guide | Windows 10 Version 21H2 for ARM64-based Systems | (MSRC status code 3) |
| Microsoft update guide | Windows 10 Version 21H2 for x64-based Systems | (MSRC status code 3) |
| Microsoft update guide | Windows 11 Version 22H2 for ARM64-based Systems | (MSRC status code 3) |
| Microsoft update guide | Windows 11 Version 22H2 for x64-based Systems | (MSRC status code 3) |
| Microsoft update guide | Windows 10 Version 22H2 for x64-based Systems | (MSRC status code 3) |
| Microsoft update guide | Windows 10 Version 22H2 for ARM64-based Systems | (MSRC status code 3) |
| Microsoft update guide | Windows 10 Version 22H2 for 32-bit Systems | (MSRC status code 3) |
| Microsoft update guide | Windows Server 2025 (Server Core installation) | (MSRC status code 3) |
| Microsoft update guide | Windows 11 Version 23H2 for ARM64-based Systems | (MSRC status code 3) |
| Microsoft update guide | Windows 11 Version 23H2 for x64-based Systems | (MSRC status code 3) |
| Microsoft update guide | Windows Server 2022, 23H2 Edition (Server Core installation) | (MSRC status code 3) |
| Microsoft update guide | Windows 11 Version 24H2 for ARM64-based Systems | (MSRC status code 3) |
| Microsoft update guide | Windows 11 Version 24H2 for x64-based Systems | (MSRC status code 3) |
| Microsoft update guide | Windows Server 2025 | (MSRC status code 3) |
Vendor remediation references
- 5066835 · build 10.0.26200.6899 · product IDs 20438, 20437
- Vendor guidance · product IDs 20438, 20437
- 5066835 · product IDs 20438, 20437, 12437, 12389, 12390, 12436
- 5066586 · build 10.0.17763.7919 · product IDs 11568, 11569, 11571, 11572
- Vendor guidance · product IDs 11568, 11569, 11571, 11572
- 5066782 · build 10.0.20348.4294 · product IDs 11923, 11924
- Vendor guidance · product IDs 11923, 11924
- 5066791 · build 10.0.19044.6456 · product IDs 11929, 11930, 11931
- Vendor guidance · product IDs 11929, 11930, 11931
- 5066791 · product IDs 11929, 11930, 11931, 12097, 12098, 12099
- 5066793 · build 10.0.22621.6060 · product IDs 12085, 12086
- Vendor guidance · product IDs 12085, 12086
- 5066791 · build 10.0.19045.6456 · product IDs 12097, 12098, 12099
- Vendor guidance · product IDs 12097, 12098, 12099
- 5066835 · build 10.0.26100.6899 · product IDs 12437, 12389, 12390, 12436
- Vendor guidance · product IDs 12437, 12389, 12390, 12436
- 5066793 · build 10.0.22631.6060 · product IDs 12242, 12243
- Vendor guidance · product IDs 12242, 12243
- 5066780 · build 10.0.25398.1913 · product IDs 12244
- Vendor guidance · product IDs 12244
Original records & references
- NIST NVD record
- CVE Program record
- msrc.microsoft.com — Vendor advisory
PUBLISHED 2025-10-14T03:00:00-04:00
MODIFIED 2025-10-14T03:00:00-04:00
INGESTED 2026-10-08T12:45:31-04:00