Fixed Intel

CISA Known Exploited Vulnerability

This vulnerability is actively exploited in the wild and listed in the CISA Known Exploited Vulnerabilities catalog.

Remediation Deadline: May 6, 2026

CVE-2026-33825

High
CISA KEV
Microsoft/Defender

Description

Microsoft Defender contains an insufficient granularity of access control vulnerability that could allow an authorized attacker to escalate privileges locally.

Required Action

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33825 ; https://nvd.nist.gov/vuln/detail/CVE-2026-33825

Risk Assessment

ELEVATED
In CISA KEV

Details

Severity
High
CISA KEV
Yes
Ransomware
Unknown
Articles
0

Timeline

Published

Apr 22, 2026

Added to KEV

Apr 22, 2026

Remediation Due

May 6, 2026

Affected Product

Microsoft

Defender

View all Microsoft CVEs