CVE-2026-20805

high-risk
Published 2026-01-13

Exposure of sensitive information to an unauthorized actor in Desktop Windows Manager allows an authorized attacker to disclose information locally.

Do I need to act?

~
3.7% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
!
CISA KEV: actively exploited in the wild
On the Known Exploited Vulnerabilities catalog — federal agencies must patch
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.5/10 Medium
LOCAL / LOW complexity

Affected Products (16)

Affected Vendors

Microsoft

References (2)

Vendor Advisory https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20805
US Government Resource https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-...
50
/ 100
high-risk
Severity 18/34 · Moderate
Exploitability 14/34 · Moderate
Exposure 18/34 · Moderate