CriticalCVECISA — Known Exploited Vulnerabilities· 10 Feb 2026

CVE-2026-21533 — Microsoft Windows Improper Privilege Management Vulnerability

Severity: Critical · Kind: Vulnerability

What it is

AI offline placeholder summary for: Title: CVE-2026-21533 — Microsoft Windows Improper Privilege Management Vulnerab.

Who this affects

AI summarisation is currently disabled — see the source link for the full upstream advisory.

What to do

Re-run summarisation from /admin/threats once ANTHROPIC_API_KEY is configured.

From the source

Microsoft Windows. Microsoft Windows Remote Desktop Services contains an improper privilege management vulnerability that could allow an authorized attacker to elevate privileges locally. Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Vulnerability facts

CVE
CVE-2026-21533
On CISA KEV since
2026-02-10
Ransomware use
Unknown

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Plain-English summaries are AI-generated and reviewed for tone, not technical accuracy. For incident response, always rely on the original source linked above.