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Severity not suppliedCVE-2018-8639active

Microsoft Windows Win32k Improper Resource Shutdown or Release Vulnerability

Published Not suppliedUpdated Not supplied

Source data

Overview

Microsoft Windows Win32k contains an improper resource shutdown or release vulnerability that allows for local, authenticated privilege escalation. An attacker who successfully exploited this vulnerability could run arbitrary code in kernel mode.

Impact & technical details

A separate impact classification is not supplied in this record. See the source advisory.

CVSS base score
Not supplied

Affected products

  • Windows

Source guidance

Remediation

  • Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Patch availability is not confirmed by this dataset. Consult the vendor before selecting a remediation.

GTP recommendation · Rule-based guidance

Recommended next step

Prioritize an applicability review and follow the vendor mitigations and CISA required action. Confirm update availability with the vendor.

Authoritative sources & updates

Findings and update information come from the linked publishers. GTP compiles the public record and provides the recommendation above. CVSS ratings shown here come from Microsoft. NVD references provide additional public context.

Managed by GTP?

Griffin Technology Partners managed customers may receive additional environment-specific security guidance and remediation assistance through their managed services relationship.

Security bulletins are provided for informational purposes and compiled from authoritative public sources. Vulnerability applicability varies by environment. Validate affected products, configuration, compatibility requirements, and vendor guidance before making production changes.