CVE-2026-208055.5MediumCWE-200

CVE-2026-20805: Desktop Window Manager Information Disclosure Vulnerability

Microsoft · Windows 10 Version 1607

Vendor fix available · Affected: Microsoft Windows 10 Version 1607 · Exploitation: in CISA KEV since 13 Jan

Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.

ExploitationIn CISA KEV

In CISA KEVCISA KEV catalogue13 Jan
Exploited (reported): not seen
Scanning observed: not seen
Proof of concept public: not seen
Not established: not seen

7.5%probability of exploitation in the next 30 days

94th percentile

050100

Higher than 94% of scored CVEs

5.5MediumCVSS 3.1

LowMediumHighCrit.

DescriptionCVE.org

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

Affected products20

From the CVE record. A product or version that is not listed is unknown, not unaffected.

Microsoft · Windows 10 Version 1607from 10.0.14393.0 before 10.0.14393.8783
Microsoft · Windows 10 Version 1809from 10.0.17763.0 before 10.0.17763.8276
Microsoft · Windows 10 Version 21H2from 10.0.19044.0 before 10.0.19044.6809
Microsoft · Windows 10 Version 22H2from 10.0.19045.0 before 10.0.19045.6809
Microsoft · Windows 11 version 23H2from 10.0.22631.0 before 10.0.22631.6491
Microsoft · Windows 11 Version 23H2from 10.0.22631.0 before 10.0.22631.6491
Microsoft · Windows 11 Version 24H2from 10.0.26100.0 before 10.0.26100.7623
Microsoft · Windows 11 Version 25H2from 10.0.26200.0 before 10.0.26200.7623
Microsoft · Windows Server 2012from 6.2.9200.0 before 6.2.9200.25868
Microsoft · Windows Server 2012 (Server Core installation)from 6.2.9200.0 before 6.2.9200.25868
Microsoft · Windows Server 2012 R2from 6.3.9600.0 before 6.3.9600.22968
Microsoft · Windows Server 2012 R2 (Server Core installation)from 6.3.9600.0 before 6.3.9600.22968
Microsoft · Windows Server 2016from 10.0.14393.0 before 10.0.14393.8783
Microsoft · Windows Server 2016 (Server Core installation)from 10.0.14393.0 before 10.0.14393.8783
Microsoft · Windows Server 2019from 10.0.17763.0 before 10.0.17763.8276
Microsoft · Windows Server 2019 (Server Core installation)from 10.0.17763.0 before 10.0.17763.8276
Microsoft · Windows Server 2022from 10.0.20348.0 before 10.0.20348.4648
Microsoft · Windows Server 2022, 23H2 Edition (Server Core installation)from 10.0.25398.0 before 10.0.25398.2092
Microsoft · Windows Server 2025from 10.0.26100.0 before 10.0.26100.32230
Microsoft · Windows Server 2025 (Server Core installation)from 10.0.26100.0 before 10.0.26100.32230

On the Atlas

Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.

Open the Atlas

Exploitation: Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalogue.
CISA KEV: Listed since 13 Jan · catalogue entry
Public check: No public nuclei template
Weakness: Information Exposure · Information Disclosure
Vendor: Microsoft
Published: January 2026
Band: Exploited in the wild, January 2026

What changed

13 Jan
CISA added it to the KEV catalogue CISA

CoverageNo articles yet

No CyberSIXT article names CVE-2026-20805 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.