CVE-2025-24983 | Windows Win32 Kernel Subsystem Elevation of Privilege Vulnerability

Exp

Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally.

Published: 2025-03-11 Last update: 2026-06-17 Assigner: [email protected] Source: [email protected]
NVD Status：Analyzed，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2025-24983 is rated Active Exploitation (75.5/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.27%). CISA KEV confirms active exploitation (added 2025-03-11) affecting Microsoft / Windows. a weakness (CWE-416) Unauthenticated remote administrative access may be possible. The CISA remediation deadline has passed—treat as an emergency patch priority.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

CISA KEV Record for CVE-2025-24983

Name: Microsoft Windows Win32k Use-After-Free Vulnerability · CISA KEV detail

Exploit added: 2025-03-11

Action due: 2025-04-01

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

Exploit prediction scoring system (EPSS) score for CVE-2025-24983

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 1.80% 1.27% -0.53%
2 2026-05-30 1.67% 1.80% +0.13%
3 2026-05-17 — 1.67% —

Full EPSS history (42 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2025-24983

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.0 3.1 HIGH
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:L)
They already need access on the box, or another person has to do something wrong; it’s not a remote drive-by.
Attack complexity (AC:H)
Even with access, the exploit needs extra luck, timing, or a fussy environment to actually work.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 1.0 5.9 [email protected]

Weakness enumeration for CVE-2025-24983

Affected software / configurations for CVE-2025-24983

Vendor Product Version Raw CPE
microsoft windows_10_1507 < 10.0.10240.20947 cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:x64:*
microsoft windows_10_1507 < 10.0.10240.20947 cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:x86:*
microsoft windows_10_1607 < 10.0.14393.7876 cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:*
microsoft windows_10_1607 < 10.0.14393.7876 cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:*
microsoft windows_server_2008 — cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x64:*
microsoft windows_server_2008 — cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x86:*
microsoft windows_server_2008 r2 cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*
microsoft windows_server_2012 — cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
microsoft windows_server_2012 r2 cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
microsoft windows_server_2016 < 10.0.14393.7876 cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*

References for CVE-2025-24983

cvelogic Threat Intelligence