SECURELYN

CVE-2026-20805

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

Scores

5.5
CVSS 5.5 out of 10, medium severity.
7.5%
EPSS 7.5% chance of exploitation in the next 30 days.

The facts

Published
13 January 2026
Last changed
30 July 2026
NVD status
Analyzed
Severity
Medium, CVSS 5.5 out of 10 (version 3.1)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness
Affects
  • microsoft windows 10 1607
  • microsoft windows 10 1809
  • microsoft windows 10 21h2
  • microsoft windows 10 22h2
  • microsoft windows 11 23h2
Known exploited
Yes. CISA added it to the Known Exploited Vulnerabilities catalogue on 13 January 2026.
EPSS
7.5% chance of exploitation activity in the next 30 days (percentile 94).

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References