PT-2026-33460 · Microsoft · Windows

Published 2026-04-17 · Updated 2026-04-19 · CVE-2026-21709

Positive Technologies (AI Summary)

CVSS v3.1

6.7

Medium

Base vector

AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Windows (affected versions not specified)

Description An issue allows a local attacker with administrator privileges to bypass Windows Driver Signature Enforcement, which is a security feature that ensures only signed drivers are loaded into the kernel.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

LPE

Command Injection

Weakness Enumeration

CWE-77

Related Identifiers

CVE-2026-21709

Affected Products

Windows

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2026-21709 · Security Note
• https://veeam.com/kb4830 · Note
• https://veeam.com/kb4831 · Note
• https://twitter.com/VulmonFeeds/status/2045191470001406418 · Twitter Post
• https://twitter.com/CVEnew/status/2045889731746025910 · Twitter Post