CVE-2025-26633

CISA KEV RANSOMWARE

ACT NOW Priority: 0.00 BB Relevance: 6/100

Published: N/A Modified: N/A First seen: 2026-10-29 Status: pending_score

Description

Microsoft Windows Management Console (MMC) contains an improper neutralization vulnerability that allows an unauthorized attacker to bypass a security feature locally.

CISA Known Exploited Vulnerability

Vendor / Product Microsoft — Windows

Date Added 2025-03-11

Remediation Due 2025-04-01

Ransomware Use CONFIRMED

https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2025-26633 ; https://nvd.nist.gov/vuln/detail/CVE-2025-26633

Weakness Classification (1)

CWE-707

Affected Software (28)

Vendor	Product	Version
microsoft	windows_10_1507	< 10.0.10240.20947
microsoft	windows_10_1507	< 10.0.10240.20947
microsoft	windows_10_1607	< 10.0.14393.7876
microsoft	windows_10_1607	< 10.0.14393.7876
microsoft	windows_10_1809	< 10.0.17763.7009
microsoft	windows_10_1809	< 10.0.17763.7009
microsoft	windows_10_21h2	< 10.0.19044.5608
microsoft	windows_10_21h2	< 10.0.19044.5608
microsoft	windows_10_21h2	< 10.0.19044.5608
microsoft	windows_10_22h2	< 10.0.19045.5608
microsoft	windows_10_22h2	< 10.0.19045.5608
microsoft	windows_10_22h2	< 10.0.19045.5608
microsoft	windows_11_22h2	< 10.0.22621.5039
microsoft	windows_11_22h2	< 10.0.22621.5039
microsoft	windows_11_23h2	< 10.0.22631.5039
microsoft	windows_11_23h2	< 10.0.22631.5039
microsoft	windows_11_24h2	< 10.0.26100.3403
microsoft	windows_11_24h2	< 10.0.26100.3403
microsoft	windows_server_2008	-
microsoft	windows_server_2008	-
microsoft	windows_server_2008	r2
microsoft	windows_server_2012	-
microsoft	windows_server_2012	r2
microsoft	windows_server_2016	< 10.0.14393.7876
microsoft	windows_server_2019	< 10.0.17763.7009
microsoft	windows_server_2022	< 10.0.20348.3270
microsoft	windows_server_2022_23h2	< 10.0.25398.1486
microsoft	windows_server_2025	< 10.0.26100.3403