{"description":"Trending threats, MITRE ATT\u0026CK coverage, and detection metadata. Fed continuously.","feed_url":"https://feed.craftedsignal.io/products/win32k---icomp/feed.json","home_page_url":"https://feed.craftedsignal.io/","items":[{"_cs_actors":[],"_cs_cpes":[],"_cs_cves":[{"cvss":7.8,"id":"CVE-2026-35417"}],"_cs_exploited":false,"_cs_has_poc":false,"_cs_poc_references":[],"_cs_products":["Win32K - ICOMP"],"_cs_severities":["high"],"_cs_tags":["privilege-escalation","type-confusion","windows"],"_cs_type":"advisory","_cs_vendors":["Microsoft"],"content_html":"\u003cp\u003eCVE-2026-35417 is a type confusion vulnerability affecting the Win32K - ICOMP component of the Windows operating system. An authorized, local attacker can exploit this vulnerability to elevate their privileges on the system. The vulnerability resides in how Win32K - ICOMP handles resources, leading to type confusion that can be leveraged for malicious purposes. Exploitation requires the attacker to already have a foothold on the system, but successful exploitation results in elevated privileges. This vulnerability poses a significant risk to systems where users with limited privileges require stronger security boundaries.\u003c/p\u003e\n\u003ch2 id=\"attack-chain\"\u003eAttack Chain\u003c/h2\u003e\n\u003col\u003e\n\u003cli\u003eAttacker gains initial access to the system with limited privileges via legitimate means or other exploits.\u003c/li\u003e\n\u003cli\u003eAttacker executes a specially crafted application designed to trigger the type confusion vulnerability in Win32K - ICOMP.\u003c/li\u003e\n\u003cli\u003eThe malicious application manipulates the Win32K - ICOMP component to misinterpret a resource type.\u003c/li\u003e\n\u003cli\u003eThis type confusion allows the attacker to overwrite critical system structures or functions.\u003c/li\u003e\n\u003cli\u003eThe attacker injects malicious code into a privileged process, such as a system service.\u003c/li\u003e\n\u003cli\u003eThe injected code executes with elevated privileges, bypassing security restrictions.\u003c/li\u003e\n\u003cli\u003eThe attacker leverages the elevated privileges to install malware, modify system configurations, or steal sensitive data.\u003c/li\u003e\n\u003cli\u003eThe attacker persists on the system, maintaining elevated access for future malicious activities.\u003c/li\u003e\n\u003c/ol\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eSuccessful exploitation of CVE-2026-35417 allows a local attacker to escalate their privileges to SYSTEM level. This could allow the attacker to take complete control of the affected system, potentially leading to data theft, system compromise, and further lateral movement within the network. The impact is high because it provides an avenue for attackers to bypass security controls and gain administrative access.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003eApply the security update provided by Microsoft to patch CVE-2026-35417 as soon as possible via \u003ca href=\"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-35417\"\u003ehttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-35417\u003c/a\u003e.\u003c/li\u003e\n\u003cli\u003eDeploy the Sigma rule \u003ccode\u003eDetect Suspicious Win32K - ICOMP Activity\u003c/code\u003e to detect potential exploitation attempts by monitoring for suspicious process creation events related to Win32K.\u003c/li\u003e\n\u003cli\u003eEnable process creation auditing with command line arguments to enhance visibility and facilitate the detection of malicious activities related to this vulnerability.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2026-05-12T18:30:52Z","date_published":"2026-05-12T18:30:52Z","id":"https://feed.craftedsignal.io/briefs/2026-05-cve-2026-35417/","summary":"CVE-2026-35417 is a type confusion vulnerability in Windows Win32K - ICOMP that allows an authorized attacker to elevate privileges locally.","title":"CVE-2026-35417: Windows Win32K - ICOMP Type Confusion Privilege Escalation","url":"https://feed.craftedsignal.io/briefs/2026-05-cve-2026-35417/"}],"language":"en","title":"CraftedSignal Threat Feed — Win32K - ICOMP","version":"https://jsonfeed.org/version/1.1"}