Page generated: 11 Nov 2026, 13:09 UTC
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CVE-2026-20805

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

CVSS 5.5 (MEDIUM) KEV: KNOWN CATALOG

Attention and evidence

HYPE SCORE
0.0/10
REALITY · THREAT PRIORITY
7.9/10
General review priority; not probability

Evidence confidence: Exploitation recorded

Why this priority?
  • Recorded exploitation baseline: +7.00
  • Technical severity: CVSS 5.5: +0.82
  • Fresh EPSS: 7.46%: +0.04

General review priority, not probability, victim count or asset-specific risk. A range covers missing CVSS/EPSS inputs within the current evidence state.

Sources: 26 documents and public datasets.

Hype components

Headline sample (25%)
0/100
Press, 30 days (60%)
0/100
Grounded branding (15%)
0/100
HYPE TOTAL0/100

Sources and documents

SOC Prime
Press · 12 Mar 2026, 07:00 · CVE-2026-21262: SQL Server Zero-Day Fixed in Microsoft’s March Patch Tuesday Release - SOC Prime
Recorded Future
Press · 24 Feb 2026, 08:00 · January 2026 CVE Landscape: 23 Critical Vulnerabilities Mark 5% Increase, APT28 Exploits Microsoft Office Zero-Day - Recorded Future
SOC Prime
Press · 11 Feb 2026, 08:00 · CVE-2026-20841: Windows Notepad RCE Fixed in Microsoft’s February Patch Tuesday Release - SOC Prime
Rapid7
Press · 11 Feb 2026, 08:00 · Patch Tuesday - February 2026 - Rapid7
The Register
Press · 27 Jan 2026, 08:00 · Office zero-day exploited in the wild forces Microsoft OOB patch - The Register
See all 26 source documents
SOC Prime
Press · 27 Jan 2026, 08:00 · CVE-2026-21509: Actively Exploited Microsoft Office Zero-Day Forces Emergency Patch - SOC Prime
Computerworld
Press · 16 Jan 2026, 08:00 · For January, Patch Tuesday starts off with a bang - Computerworld
SOC Prime
Press · 16 Jan 2026, 08:00 · CVE-2026-0227: Palo Alto Networks Fixes GlobalProtect DoS Flaw Allowing Remote Firewall Disruption - SOC Prime
SOC Prime
Press · 15 Jan 2026, 08:00 · CVE-2026-20805: Microsoft Fixes Actively Exploited Windows Desktop Manager Zero-Day - SOC Prime
Security Affairs
Press · 14 Jan 2026, 08:00 · Microsoft Patch Tuesday security updates for January 2026 fixed actively exploited zero-day - Security Affairs
Rapid7
Press · 14 Jan 2026, 08:00 · Patch Tuesday - January 2026 - Rapid7
Infosecurity Magazine
Press · 14 Jan 2026, 08:00 · Microsoft Fixes Three Zero-Days on Busy Patch Tuesday - Infosecurity Magazine
The Hacker News
Press · 14 Jan 2026, 08:00 · Microsoft Fixes 114 Windows Flaws in January 2026 Patch, One Actively Exploited - The Hacker News
The Record from Recorded Future News
Press · 14 Jan 2026, 08:00 · Federal agencies ordered to patch Microsoft Desktop Windows Manager bug - The Record from Recorded Future News
SecurityBrief Australia
Press · 14 Jan 2026, 08:00 · Microsoft patches zero-day, kills legacy Windows drivers - SecurityBrief Australia
Cyber Daily
Press · 14 Jan 2026, 08:00 · Hacked: Desktop Windows Manager vulnerability added to CISA’s KEV catalogue - Cyber Daily
Rescana
Press · 14 Jan 2026, 08:00 · Microsoft Patch Tuesday January 2026: Critical Windows, Office, Firefox, and Chrome Vulnerabilities Exploited in the Wild - Rescana
thezdi.com
Press · 13 Jan 2026, 08:00 · The January 2026 Security Update Review - thezdi.com
BleepingComputer
Press · 13 Jan 2026, 08:00 · Microsoft January 2026 Patch Tuesday fixes 3 zero-days, 114 flaws - BleepingComputer
Krebs on Security
Press · 13 Jan 2026, 08:00 · Patch Tuesday, January 2026 Edition - Krebs on Security
CyberSecurityNews
Press · 13 Jan 2026, 08:00 · Microsoft Patch Tuesday January 2026 – 114 Vulnerabilities Fixed Including 3 Zero-days - CyberSecurityNews
Qualys
Press · 13 Jan 2026, 08:00 · Microsoft and Adobe Patch Tuesday, January 2026 Security Update Review - Qualys
Arctic Wolf
Press · 13 Jan 2026, 08:00 · Microsoft Patch Tuesday: January 2026 - Arctic Wolf
Dark Reading
Press · 13 Jan 2026, 08:00 · Microsoft's Patch Tuesday Starts 2026 With a Bang — & a Zero-Day - Dark Reading
Cisco Talos Blog
Press · 13 Jan 2026, 08:00 · Microsoft Patch Tuesday for January 2026 — Snort rules and prominent vulnerabilities - Cisco Talos Blog
LinkedIn
Press · 13 Jan 2026, 08:00 · Microsoft January 2026 Patch Tuesday Fixes 100+ Vulnerabilities, Including 3 Zero-Day Flaws - LinkedIn

Score evolution

● Hype   ● Reality

Earlier evidence-support scores are retained in history; this chart shows only the current priority definition.

First record: hype 0.0 · reality 7.9 (2026-11-02 15:14). The curve appears once the score changes.

Public exploit evidence

3

Public exploit entries / repo candidates

See 3 repos with metrics
RepositoryStarsForksLanguageUpdated
ZeroDayEvil/CVE-2026-20805-PoC922—11 Sep 2026, 16:33
fevar54/CVE-2026-20805-POC74—14 Jan 2026, 13:34
Uzair-Baig0900/CVE-2026-20805-PoC20Python19 Jan 2026, 19:35
Evidence context and dated references

Reality is general threat/review priority, combining observed exploitation, CVSS severity and fresh EPSS. Evidence confidence is separate. This is not calibrated risk, a victim count or an asset-specific assessment. A range reflects missing numeric inputs.

Evidence in context

Confidence in exploitation evidence
Exploitation recorded
Priority basis
Recorded exploitation; CVSS 5.5; EPSS 7.5%
Attention, last 30 days
0 distinct story titles; 0 press documents; 0 publisher domains.
Technical potential
local access, low privileges, no user interaction.
Observed activity
Exploitation recorded in CISA KEV.
Known scale
Not quantified.
Evidence confidence basis
Trusted exploitation confirmation

Score evaluated: 2026-11-05 14:00:01.230559+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z

Source event timeline
Added to the CISA KEV catalog
13 Jan 2026, 00:00
First press mention
13 Jan 2026, 08:00
Published
13 Jan 2026, 17:56
Latest press mention
12 Mar 2026, 07:00
Score calculated
05 Nov 2026, 14:00
PoCs on GitHub
3 repositories