CVE-2026-33825

high · 7.8Actively exploited

On the CISA Known Exploited Vulnerabilities catalog

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Added 2026-04-22Remediation due 2026-05-06

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

7.8

CVSS

6.7%

EPSS (exploit prob.)

94th

EPSS percentile

2026-04-14

Published

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weaknesses

CWE-1220

Affected products

Vendor	Product	Affected versions
microsoft	defender_antimalware_platform	< 4.18.26030.3011

Check a specific version with /api/v1/cve/match.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33825
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-33825
https://www.huntress.com/blog/nightmare-eclipse-intrusion

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-33825