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CVE-2026-33825: Microsoft Defender

Status: KEV  |  Advisory ID: CVE-2026-33825

Key Details

CVECVE-2026-33825
Affected productsMicrosoft Defender
Exploitation statusListed in CISA's Known Exploited Vulnerabilities (KEV) catalog, indicating confirmed active exploitation.
Classified asCWE-1220 (Insufficient Granularity of Access Control)
KEV listingAdded to CISA's Known Exploited Vulnerabilities (KEV) catalog on 2026-04-22.
Exploitation prediction (EPSS)7% probability of exploitation in the next 30 days (94% percentile) -- FIRST.org's EPSS model.
Federal remediation deadline2026-05-06 (CISA KEV, Binding Operational Directive).

What to Know

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

References

SourceReference
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2026-33825