CISA: Windows BlueHammer flaw now exploited by ransomware gangs
CISA confirmed on Monday that ransomware gangs have begun exploiting a high-severity Microsoft Defender privilege escalation vulnerability that has previously been abused in zero-day attacks.
Grace Ops
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audit trail / provenance4
Provenance
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- severity.upliftheuristicn/aCVE or advisory identifiers detected — floor raised to at least high.
- severity.upliftheuristicn/aActive exploitation / in-the-wild language detected — floor raised to at least high.
- severity.upliftheuristicn/aRansomware campaign indicators detected — floor raised to at least high.
- severity.upliftheuristicn/aCombined zero-day/exploit + ransomware/mass-impact signals → critical.
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