Desktop Window Manager Use-After-Free Elevation of Privilege
CVE-2026-32152 is an Important elevation-of-privilege vulnerability in Microsoft Desktop Window Manager (DWM). The flaw is caused by a use-after-free condition in DWM, classified as CWE-416. According to Microsoft, successful exploitation allows a local authorized attacker to elevate privileges. Publicly available supporting content does not identify the specific vulnerable function or code path, but Microsoft states the issue resides in the Desktop Window Manager component and can be exploited locally with low privileges and no user interaction. Microsoft assessed the vulnerability with CVSS 3.1 7.8 (AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).
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Impact, mitigation & remediation
What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
Impact
What an attacker gets, and what they’ve been doing with it.
Mitigation
If you can’t patch tonight, do this now.
Remediation
Patch, then assume compromise.
Exploits
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Affected products & vendors
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
Recent activity
3 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
An elevation-of-privilege vulnerability in Desktop Window Manager caused by a use-after-free flaw.
A Desktop Window Manager elevation of privilege vulnerability.
A local elevation of privilege vulnerability in Microsoft Desktop Window Manager caused by a use-after-free condition that could allow an authorized attacker to gain SYSTEM privileges.
The version that knows your environment.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.