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CVE

CVE-2026-33825

P1⬤ KNOWN RANSOMWARE USE

Microsoft Defender Insufficient Granularity of Access Control Vulnerability

Microsoft · Defender

Date added (CISA)

2026-04-22

Remediation due

2026-05-06

Known ransomware use

Yes

Remediation priority

P1 — known ransomware use · past CISA due date

Associated with

Related to

Qilin (fka Agenda) · QilincampaignCorrelated cluster2026-09-17

Related

Nothing linked yet

No threat actor or pipeline report has been cross-referenced against this CVE yet. The associated-with rail above shows any asserted relationships.

Source: NVD ↗ · CISA KEV Catalog ↗