Windows Win32K - ICOMP Type Confusion Elevation of Privilege
CVE-2026-35417 is an elevation-of-privilege vulnerability in Windows Win32K - ICOMP caused by access of a resource using an incompatible type (type confusion). Microsoft describes the flaw as a type confusion issue in the Win32K subsystem that can be exploited by a locally authorized attacker. The vulnerability affects Windows systems with the vulnerable Win32K - ICOMP component present and is rated Important. Based on the provided advisory context and CVSS characteristics, exploitation is local, requires low privileges, and does not require user interaction. Successful exploitation can result in the attacker obtaining SYSTEM privileges.
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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
2 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
An important Windows Win32k elevation of privilege vulnerability that Microsoft determined is more likely to be exploited.
A Windows Win32k type confusion elevation of privilege vulnerability that allows a locally authorized attacker with low privileges to elevate to SYSTEM.
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.