CVE-2025-24983

Microsoft Windows — Microsoft Windows Win32k Use-After-Free Vulnerability
⚠️ CVSS 3.1  7 / 10 — HIGH 🔴 CISA Known Exploited Vulnerability

Overview

Microsoft Windows Win32 Kernel Subsystem contains a use-after-free vulnerability that allows an authorized attacker to elevate privileges locally.

https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2025-24983 ; https://nvd.nist.gov/vuln/detail/CVE-2025-24983

Key Details

PropertyValue
CVE ID CVE-2025-24983
Vendor / Product Microsoft — Windows
NVD Published2025-03-11
NVD Last Modified2025-10-27
CVSS 3.1 Score7
CVSS 3.1 VectorCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
SeverityHIGH
CWE CWE-416
CISA KEV Added2025-03-11
CISA KEV Deadline2025-04-01
Known Ransomware Use No

CVSS 3.1 Breakdown

Attack Vector
Local
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Required Action

CISA BOD 22-01 Deadline: 2025-04-01. Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Timeline

DateEvent
2025-03-11Added to CISA Known Exploited Vulnerabilities catalog
2025-04-01CISA BOD 22-01 remediation deadline

References

ResourceType
NVD — CVE-2025-24983 Vulnerability Database
CISA KEV Catalog Entry US Government