CVE-2025-29828 json
Windows Schannel Remote Code Execution Vulnerability
published 2025-06-10 16 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-17793
- cvss
- 8.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.3%
- EPSS 1.3% chance of exploitation in 30 days, percentile 69%
- public exploits
- 0
- none known
Summary
Missing release of memory after effective lifetime in Windows Cryptographic Services allows an unauthorized attacker to execute code over a network.
Patch / fix
- Microsoft Windows 11 version 22H2 10.0.22621.5472
- Microsoft Windows 11 version 22H3 10.0.22631.5472
- Microsoft Windows 11 Version 23H2 10.0.22631.5472
- Microsoft Windows 11 Version 24H2 10.0.26100.4349
- Microsoft Windows Server 2022 10.0.20348.3807
- Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.1665
- Microsoft Windows Server 2025 10.0.26100.4349
- Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.4349
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 16 mo ago
Exploit prediction
1.27% chance of exploitation in the next 30 days, higher than 69% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 8.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C |
| CNA | 3.1 | 8.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
- Microsoft Windows 11 version 22H2
- Microsoft Windows 11 version 22H3
- Microsoft Windows 11 Version 23H2
- Microsoft Windows 11 Version 24H2
- Microsoft Windows Server 2022
- Microsoft Windows Server 2022, 23H2 Edition (Server Core installation)
- Microsoft Windows Server 2025
- Microsoft Windows Server 2025 (Server Core installation)
Classification
- Weakness
-
- CWE-401 Missing Release of Memory after Effective Lifetime
References
-
msrc.microsoft.com
/update-guide/vulnerability/CVE-2025-29828
vendor-advisory, patch
Sources
- CVE List CVE-2025-29828
- NVD CVE-2025-29828
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.