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Actively exploited

Listed in CISA’s Known Exploited Vulnerabilities catalog since January 21, 2022.

Known ransomware use

CVE-2018-8453

Microsoft Win32k Privilege Escalation Vulnerability

Microsoft · Win32k

Added to KEV January 21, 2022

Alert details

Source feed
CISA KEV
CVE ID
CVE-2018-8453
CWE
CWE-404
Affected products
Win32k · Microsoft Win32k · Microsoft

What happened

Microsoft Windows Win32k contains a vulnerability that allows an attacker to escalate privileges.

What it means for your business

Microsoft Win32k is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2018-8453). Microsoft Windows Win32k contains a vulnerability that allows an attacker to escalate privileges. CISA remediation due date: 2022-07-21. If you need help checking exposure, call (864) 335-9223.

Required action

Apply updates per vendor instructions.

CISA due date: July 21, 2022

Sources

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