CVE-2026-105005 json
Windows Schannel Remote Code Execution Vulnerability
published 27d ago modified 9d ago also EUVD-2026-100394
- cvss
- 8.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.7%
- EPSS 0.7% chance of exploitation in 30 days, percentile 55%
- public exploits
- 0
- none known
Summary
Out-of-bounds write in Windows Schannel allows an unauthorized attacker to execute code over a network.
Patch / fix
- Microsoft Windows 11 version 26H1 10.0.28000.3231
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- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 27d ago
Exploit prediction
0.75% chance of exploitation in the next 30 days, higher than 55% of all scored CVEs (FIRST EPSS, 2026-11-09).
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 26H1
Classification
- Weakness
-
- CWE-787 Out-of-bounds Write
References
-
msrc.microsoft.com
/update-guide/vulnerability/CVE-2026-105005
vendor-advisory, patch
Sources
- CVE List CVE-2026-105005
- NVD CVE-2026-105005
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