VulnerabilityAnalyzed
CVE-2026-69640
Incorrect authorization in Windows Key Distribution Center allows an authorized attacker to bypass a security feature over a network.
MEDIUM 5.3EPSS 0.69%
Does this matter?
Lower severity and a low EPSS score (0.69%). Track it; it rarely justifies an emergency change on its own.
Description
Incorrect authorization in Windows Key Distribution Center allows an authorized attacker to bypass a security feature over a network.
- CVSS 3.1
- 5.3 MEDIUMCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 0.69% probability · 53th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-863
- Affected
- microsoft/windows 10 1607 · microsoft/windows 10 1809 · microsoft/windows 11 24h2 · microsoft/windows 11 25h2 · microsoft/windows 11 26h1 · microsoft/windows 11 26h2 · microsoft/windows server 2012 · microsoft/windows server 2016 · microsoft/windows server 2019 · microsoft/windows server 2022 · microsoft/windows server 2025
- Source
- secure@microsoft.com
EPSS moved from 0.6% on 14 October 2026 to 0.7% on 27 October 2026.
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69640Patch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.