CVE-2026-33825

UNKNOWNKnown Exploited

CISA Known Exploited Vulnerability

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

Remediation deadline: May 6, 2026

Ransomware use: Known

Description

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

Timeline

Published:April 22nd, 2026 12:00 AM

Last modified:April 22nd, 2026 12:00 AM

Added to KEV:April 22nd, 2026

CVSS Scoring

No CVSS v3 score available

Affected Software

From NVD CPE configuration data

Vendors

Microsoft

Products

Defender

Weaknesses (CWE)

CWE-1220

References & Reports

Advisories, patches, and third-party reports

No references available.

Source: CISA KEV + NVD · Data may lag official sources by up to one minute