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Actively exploited

Listed in CISA’s Known Exploited Vulnerabilities catalog since November 3, 2021.

Known ransomware use

CVE-2021-1732

Microsoft Win32k Privilege Escalation Vulnerability

Microsoft · Win32k

Added to KEV November 3, 2021

Alert details

Source feed
CISA KEV
CVE ID
CVE-2021-1732
CWE
CWE-787
Affected products
Win32k · Microsoft Win32k · Microsoft

What happened

Microsoft Win32k contains an unspecified vulnerability that allows for privilege escalation.

What it means for your business

Microsoft Win32k is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2021-1732). Microsoft Win32k contains an unspecified vulnerability that allows for privilege escalation. CISA remediation due date: 2021-11-17. If you need help checking exposure, call (864) 335-9223.

Required action

Apply updates per vendor instructions.

CISA due date: November 17, 2021

Sources

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