CVE-2026-20805

ENISA EUVD: EUVD-2026-2073 ↗
Exploited in the Wild ✓ Confirmed 0-Day ★ Google Project Zero
Triaged: Feb. 18, 2026 3 articles
VulnLookup ↗ NVD ↗ EUVD ↗ MITRE ↗ Advisory ↗ P0 Sheet ↗ CISA KEV ↗

EPSS Score

Source: FIRST.org · 2026-05-24
2.66%
probability
This CVE has a 2.66% probability of being exploited in the next 30 days.
0% Top 86.0th percentile of all CVEs 100%

CVSS v3.1

Source: NVD
5.5
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Temporal
Exploit Code Maturity
Unproven
Remediation Level
Official Fix
Report Confidence
Confirmed
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C

Description

Project Zero
Desktop Window Manager Information Disclosure Vulnerability

Affected Products

Attack Intelligence

Google Project Zero

Patched
Jan. 13, 2026
Reported by
Microsoft Threat Intelligence Center and Microsoft Security Response Center

Signal Intelligence

Confidenceⓘ
85%
EPSS 2.66%
CVSS v3.1 5.5
Mentions 3
Last Seen Jan 27, 2026

CNA Information

Analyst Note

CVE-2026-20805 is confirmed as a legitimate vulnerability with official Microsoft documentation and coverage from multiple reputable security sources confirming its inclusion in January 2026 Patch Tuesday. Despite a medium CVSS score and information disclosure impact limited to local authorized attackers, the official vendor acknowledgment and multi-source reporting provide strong evidence supporting the confirmed status.

Threat Actors 5

Void Arachne
apt_group Information theft and espionage 🇨🇳 CN
APT 28
apt_group Information theft and espionage 🇷🇺 RU
TAG-28
apt_group Information theft and espionage 🇨🇳 CN
Roaming Tiger
apt_group Information theft and espionage 🇨🇳 CN
White Bear
apt_group Information theft and espionage 🇷🇺 RU

Triage Info

Decided atFeb 18, 2026