CVE-2025-64679CWE-122

Windows DWM Core Library Elevation of Privilege Vulnerability

High · published December 9, 2025

CVSS v3.1
7.8
EPSS
0%
Percentile
38.3
In the wild
Unconfirmed
What it is

⚡ An authorized attacker can exploit a heap-based buffer overflow in the Windows DWM Core Library to elevate their privileges locally! Think of this as someone sneaking into a VIP lounge at a party — they already have a ticket, but they manage to slip past security to access restricted areas. This vulnerability lets them escalate their access in the system like a party crasher gaining entry to the champagne room! If successfully exploited, an attacker could perform actions that are normally restricted, such as installing malicious software, changing system settings, or accessing sensitive data. The implications are serious, as this can lead to total system compromise and unauthorized control over the machine. Yikes!

Put simply

Think of this as someone sneaking into a VIP lounge at a party — they already have a ticket, but they manage to slip past security to access restricted areas. This vulnerability lets them escalate their access in the system like a party crasher gaining entry to the champagne room! This vulnerability occurs due to improper handling of memory in the DWM Core Library, which enables attackers with legitimate access to manipulate the memory allocation and execute arbitrary code with higher privileges.

What to do

If successfully exploited, an attacker could perform actions that are normally restricted, such as installing malicious software, changing system settings, or accessing sensitive data. The implications are serious, as this can lead to total system compromise and unauthorized control over the machine. Yikes! To protect your systems, ensure that you're running the latest Windows updates that address this vulnerability. It's also wise to implement strict access controls and monitor user activities to detect any unauthorized attempts to exploit it. You've got this! By keeping your systems updated and vigilant, you can safeguard your environment against this vulnerability. 🛡️

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CVSS v4.0
Not supplied
EPSS
0.00452 · 38.3th percentile
Weakness
CWE-122 · Heap-based Buffer Overflow
Published
2025-12-09T17:56Z
EPSS history
Timeline
  • 09 DEC 17:56Z
    Windows DWM Core Library Elevation of Privilege Vulnerability
    cvelistv5