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CISA: Windows Task Host flaw now exploited by ransomware gangs
August 18, 2026 · BleepingComputer · Severity: CRITICAL
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has confirmed that ransomware gangs are also exploiting a high-severity Windows Task Host vulnerability that was flagged as actively exploited in April.
Key Takeaways
- Ransomware gangs now actively exploit high-severity Windows Task Host vulnerability flagged in April.
- CISA confirms active exploitation of Task Host flaw by both ransomware and other threat actors.
- Federal agencies and enterprises must prioritize patching vulnerabilities listed in the CISA KEV catalog.