Microsoft Windows Win32k Improper Resource Shutdown or Release Vulnerability
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.
- Vendor
- Microsoft
- Product
- Windows
- CVSS
- 7.8
- EPSS (exploit probability)
- 22.2%
- Status
- kevransomware use
- CISA patch-by (BOD 22-01)
- Published
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.
Added to CISA’s Known Exploited Vulnerabilities catalog on 2025-03-03. Required action per CISA: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. Due date: 2025-03-24.
This is an auto-synced KEV catalog record pending a full 0dayNews write-up — see CISA’s KEV catalog and the NVD record linked above for primary sources.