Windows Kernel Use-After-Free Elevation of Privilege
CVE-2026-26132 is a use-after-free vulnerability in the Windows Kernel that allows a local, authorized attacker to elevate privileges. The available reporting identifies the bug class as a kernel use-after-free and classifies the issue as an elevation-of-privilege flaw in Windows Kernel. Microsoft assessed exploitation as more likely, with reporting indicating low attack complexity, no user interaction, and no special privileges required beyond local authorized access. Specific vulnerable functions or code paths were not provided in the supplied content.
Are you exposed to this one?
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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
10 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A Windows Kernel local elevation-of-privilege vulnerability flagged as 'Exploitation More Likely' by Microsoft.
A Windows kernel elevation-of-privilege vulnerability rated by Microsoft as more likely to be exploited (low complexity; no special privileges/user interaction).
A Windows Kernel use-after-free vulnerability that can be used for local privilege escalation (to SYSTEM/admin).
A Microsoft vulnerability rated 'more likely to be exploited' (type not specified in the content; mentioned in the context of privilege escalation defects).
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.