CVE-2026-33825

moderate-risk
Published 2026-04-14

Insufficient granularity of access control in Microsoft Defender allows an authorized attacker to elevate privileges locally.

Do I need to act?

~
3.3% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
!
CISA KEV: actively exploited in the wild
On the Known Exploited Vulnerabilities catalog — federal agencies must patch
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.8/10 High
LOCAL / LOW complexity

Affected Products (1)

Affected Vendors

Microsoft

References (3)

Vendor Advisory https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33825
US Government Resource https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-...
Third Party Advisory https://www.huntress.com/blog/nightmare-eclipse-intrusion
43
/ 100
moderate-risk
Severity 24/34 · High
Exploitability 14/34 · Moderate
Exposure 5/34 · Minimal