MEDIUM CISA KEV Actively Exploited

CVE-2026-20805

Desktop Window Manager Information Disclosure Vulnerability

CVSS v3

5.5

MEDIUM

EPSS Score

7.2 %

exploit probability, as of 2026-10-04

CISA KEV

Yes

known exploited

Exploitation

active

SSVC status

Description

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

CISA Known Exploited Vulnerability

Date Added: 2026-01-13
Patch Due Date: 2026-02-03
Ransomware Use: Unknown

Technical details

Published: 2026-01-13
Last Modified: 2026-01-14

Frequently asked questions

What is CVE-2026-20805?

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

Is CVE-2026-20805 actively exploited?

Yes. CVE-2026-20805 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2026-02-03.

What is the CVSS score for CVE-2026-20805?

CVE-2026-20805 has a CVSS v3 base score of 5.5 (MEDIUM severity).

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