CISA KEV

CVE-2021-33771

Microsoft Windows Kernel Privilege Escalation Vulnerability

Microsoft Windows kernel contains an unspecified vulnerability that allows for privilege escalation.

VendorMicrosoft

ProductWindows

EPSS10.2%

Added to KEVNov 03, 2021

Remediation DueNov 17, 2021

Known Ransomware UseUnknown

CWECWE-119

Required Action

Apply updates per vendor instructions.

From Disclosure to Action

Know how quickly you need to move.

For CVE-2021-33771, added to the catalogue on Nov 03, 2021 with a remediation deadline of Nov 17, 2021.

Added to KEVNov 03, 2021

Seraph AlertSame day

Remediation DueNov 17, 2021

ValidationOngoing

Overdue1806 days overdue

Recommended action: Apply vendor remediation guidance.

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