Threats / Microsoft / CVE-2025-24983
CVE-2025-24983
· EUVD no mirror located
· GCVE no mirror located
Verified 2026-06-22
Microsoft Windows vulnerability
A use-after-free vulnerability in Windows Win32 Kernel Subsystem allows authorized local attackers to elevate privileges. The flaw is actively exploited in the wild.
Verdict
Today item — known-exploited.
Authorized local attackers can exploit this use-after-free to gain elevated privileges on Windows systems. Active exploitation in the wild increases risk. Patch deployment is recommended for affected Windows installations.
01
Is it exploitable?
— the evidence, ranked above the scoreReported exploitation
10 independent public reports of in-the-wild exploitation are cataloged.Distinct reporting sources (vendor, incident response, government); open them for the underlying claims.
Exploited in the wild
Listed in the CISA Known Exploited Vulnerabilities catalog (added 2025-03-11).
Probability (EPSS)
EPSS 0.01267 — modeled likelihood of exploitation activity.EPSS is a daily-changing model output — open the source for today's value.
Severity / affected
Affected: Microsoft, Windows. Confirm exact fixed builds in the vendor advisory.
Weakness (CWE)
Mapped to CWE-416 Use After Free — weakness family: Memory safety.CWE assignment from the public NVD record; the weakness class drives how the flaw is exploited.
02
Who’s exploiting it?
— attribution turns risk into urgencyAttribution not established
No confirmed (advisory-backed) threat-actor attribution is established for this record. Absence of a named actor is not absence of compromise — see Coverage & confidence.
03
Why it matters
— the attack path, told twice: adversary, then board1
Front door — unauthenticated access narrative 1
Attacker
I gain initial access as a standard user or service account on a Windows system.
Business
An attacker establishes a foothold with limited privileges, creating opportunity for lateral movement or persistence.
2
Keys to the kingdom — privilege/identity takeover narrative 2
Attacker
I trigger the use-after-free condition in the Win32 Kernel Subsystem through a crafted local operation.
Business
The vulnerability is weaponized through a specific sequence of kernel interactions that the organization may not detect.
3
Lateral reach — past segmentation narrative 3
Attacker
I execute code with elevated system privileges after successful exploitation.
Business
The attacker gains administrative or SYSTEM-level control, enabling full system compromise and data exfiltration.
04
What to do
— defensible action- Remediate per the vendor advisory — confirm the fixed build for your version and verify exposure.1
Say it to the boardA vulnerability with this evidence profile is a defensible budget line, not a backlog ticket — fund the change against the proof above.
05