Disclosure summary
CVE-2025-2884 is regarding a vulnerability in TCG TPM2.0 Reference implementation's CryptHmacSign helper function that is vulnerable to Out-of-Bounds read due to the lack of validation the signature scheme with the signature key's algorithm. CERT/CC created this CVE on their behalf. The documented Windows updates incorporate updates in TCG TPM2.0 Reference implementation which address this vulnerability. Please see CVE-2025-2884 for more information.
Source-reported weakness categories
CWE-125
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 Feb 10, 2026
Cert CC: CVE-2025-2884 Out-of-Bounds read vulnerability in TCG TPM2.0 reference implementation
Maximum of vendor-reported product scores; products and fixed builds are associations, not a universal affected-version statement.
Microsoft maximum product score: 5.3
| 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 26H1 for x64-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 Server 2025 (Server Core installation) | (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 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
- Vendor guidance · product IDs 20438
- 5066835 · product IDs 20438, 12437, 12390, 12436
- 5077179 · build 10.0.28000.1575 · product IDs 20853
- Vendor guidance · product IDs 20853
- 5066793 · build 10.0.22621.6060 · product IDs 12086
- Vendor guidance · product IDs 12086
- 5066835 · build 10.0.26100.6899 · product IDs 12437, 12390, 12436
- Vendor guidance · product IDs 12437, 12390, 12436
- 5066793 · build 10.0.22631.6060 · product IDs 12243
- Vendor guidance · product IDs 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 2026-02-10T03:00:00-05:00
INGESTED 2026-10-08T12:45:30-04:00