{"description":"Trending threats, MITRE ATT\u0026CK coverage, and detection metadata. Fed continuously.","feed_url":"https://feed.craftedsignal.io/tags/cve-2026-32069/feed.json","home_page_url":"https://feed.craftedsignal.io/","items":[{"_cs_actors":[],"_cs_cpes":[],"_cs_cves":[{"cvss":7.8,"id":"CVE-2026-32069"}],"_cs_exploited":false,"_cs_has_poc":false,"_cs_poc_references":[],"_cs_products":["Windows"],"_cs_severities":["high"],"_cs_tags":["cve-2026-32069","privilege-escalation","windows"],"_cs_type":"advisory","_cs_vendors":["Microsoft"],"content_html":"\u003cp\u003eCVE-2026-32069 is a critical vulnerability affecting the Windows Projected File System. This double-free vulnerability allows an attacker with local access and authorization to escalate their privileges. The vulnerability exists within the core functionality of the Projected File System, a feature designed to allow applications to virtualize files and directories. The vulnerability was published on 2026-04-14. Successful exploitation of this flaw could grant an attacker elevated rights on the system, potentially leading to full system compromise. This vulnerability is of significant concern for defenders as it allows for local privilege escalation.\u003c/p\u003e\n\u003ch2 id=\"attack-chain\"\u003eAttack Chain\u003c/h2\u003e\n\u003col\u003e\n\u003cli\u003eAttacker gains initial local access to a Windows system. This might involve social engineering, physical access, or exploiting another vulnerability to obtain a low-privileged account.\u003c/li\u003e\n\u003cli\u003eThe attacker leverages the Projected File System API to create a virtualized file system. This involves specific API calls to initialize and configure the projection.\u003c/li\u003e\n\u003cli\u003eThe attacker triggers the double-free condition within the Projected File System by manipulating specific file system operations (e.g., creating, deleting, or modifying files in the projected file system). The precise operations needed to trigger the vulnerability are specific to the implementation flaw.\u003c/li\u003e\n\u003cli\u003eThe first \u0026quot;free\u0026quot; operation deallocates a memory region associated with a file system object within the Projected File System.\u003c/li\u003e\n\u003cli\u003eThe attacker crafts memory allocation requests to influence the memory layout and place controlled data at the location of the previously freed memory.\u003c/li\u003e\n\u003cli\u003eThe second \u0026quot;free\u0026quot; operation attempts to deallocate the same memory region again, leading to memory corruption.\u003c/li\u003e\n\u003cli\u003eThe memory corruption allows the attacker to overwrite critical system data structures, such as process tokens or access control lists.\u003c/li\u003e\n\u003cli\u003eThe attacker elevates their privileges by exploiting the corrupted memory to gain SYSTEM-level access.\u003c/li\u003e\n\u003c/ol\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eSuccessful exploitation of CVE-2026-32069 allows a local attacker to escalate privileges on a vulnerable Windows system. This could allow the attacker to install programs; view, change, or delete data; or create new accounts with full user rights. Given the nature of privilege escalation vulnerabilities, the impact is severe.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003eApply the security update released by Microsoft to patch CVE-2026-32069 as soon as possible. (Reference: \u003ca href=\"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32069\"\u003ehttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32069\u003c/a\u003e)\u003c/li\u003e\n\u003cli\u003eMonitor for suspicious process creation events related to file system operations, especially involving the Projected File System, using a process creation rule.\u003c/li\u003e\n\u003cli\u003eEnable auditing of file system events to detect suspicious activity within the Projected File System.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2024-01-03T12:00:00Z","date_published":"2024-01-03T12:00:00Z","id":"https://feed.craftedsignal.io/briefs/2024-01-03-projected-file-system-double-free/","summary":"CVE-2026-32069 is a double free vulnerability in the Windows Projected File System that allows an authorized local attacker to elevate privileges.","title":"Windows Projected File System Double Free Vulnerability (CVE-2026-32069)","url":"https://feed.craftedsignal.io/briefs/2024-01-03-projected-file-system-double-free/"}],"language":"en","title":"CraftedSignal Threat Feed - Cve-2026-32069","version":"https://jsonfeed.org/version/1.1"}