CVE-2026-20806 — Type Confusion in Microsoft Windows 10 Version 1809

CWE-843 — Type Confusion4 documents4 sources
Severity
5.5MEDIUMNVD
EPSS
0.1%
top 67.92%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
11
Microsoft Windows 10 Version 1809Microsoft Windows 10 Version 21h2Microsoft Windows 10 Version 22h2+8 more
Timeline
PublishedApr 14

Description

Access of resource using incompatible type ('type confusion') in Windows COM allows an authorized attacker to disclose information locally.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:NExploitability: 1.8 | Impact: 3.6

Affected Packages11 packages

▶CVEListV5microsoft/windows_server_201910.0.17763.0 — 10.0.17763.8644
▶CVEListV5microsoft/windows_server_202210.0.20348.0 — 10.0.20348.5020
▶CVEListV5microsoft/windows_server_202510.0.26100.0 — 10.0.26100.32690
▶CVEListV5microsoft/windows_10_version_180910.0.17763.0 — 10.0.17763.8644
▶CVEListV5microsoft/windows_10_version_21h210.0.19044.0 — 10.0.19044.7184

🔴Vulnerability Details

2
GHSA
GHSA-mc2w-phmv-5vhg: Access of resource using incompatible type ('type confusion') in Windows COM allows an authorized attacker to disclose information locally↗2026-04-14
▶
CVEList
Windows COM Server Information Disclosure Vulnerability↗2026-04-14
▶
CVE-2026-20806 — Type Confusion in Microsoft | cvebase