{"description":"Trending threats, MITRE ATT\u0026CK coverage, and detection metadata — refreshed continuously.","feed_url":"https://feed.craftedsignal.io/tags/cve-2026-32153/","home_page_url":"https://feed.craftedsignal.io/","items":[{"_cs_actors":[],"_cs_cves":[{"cvss":7.8,"id":"CVE-2026-32153"}],"_cs_exploited":false,"_cs_products":[],"_cs_severities":["high"],"_cs_tags":["cve-2026-32153","privilege-escalation","windows"],"_cs_type":"advisory","_cs_vendors":[],"content_html":"\u003cp\u003eCVE-2026-32153 is a use-after-free vulnerability affecting Microsoft Windows Speech services. Discovered and reported by Microsoft, this vulnerability enables a locally authenticated attacker to escalate their privileges on the system. The vulnerability lies within the handling of speech-related objects in memory. Successful exploitation allows an attacker to execute arbitrary code with elevated privileges, potentially leading to complete system compromise. The vulnerability was published on April 14, 2026. This is a critical issue for organizations relying on Windows Speech services, as it can be exploited by malicious actors with local access to a vulnerable system.\u003c/p\u003e\n\u003ch2 id=\"attack-chain\"\u003eAttack Chain\u003c/h2\u003e\n\u003col\u003e\n\u003cli\u003eAn attacker gains local access to a Windows system.\u003c/li\u003e\n\u003cli\u003eThe attacker crafts a malicious application that interacts with the Windows Speech service.\u003c/li\u003e\n\u003cli\u003eThe application triggers the use-after-free condition by manipulating speech-related objects.\u003c/li\u003e\n\u003cli\u003eThe Windows Speech service attempts to access the freed memory, leading to a crash or exploitable condition.\u003c/li\u003e\n\u003cli\u003eThe attacker leverages the use-after-free vulnerability to overwrite memory with malicious code.\u003c/li\u003e\n\u003cli\u003eThe malicious code gains control of the Windows Speech service process.\u003c/li\u003e\n\u003cli\u003eThe attacker escalates privileges to SYSTEM.\u003c/li\u003e\n\u003cli\u003eThe attacker executes arbitrary commands with elevated permissions.\u003c/li\u003e\n\u003c/ol\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eSuccessful exploitation of CVE-2026-32153 leads to local privilege escalation, allowing an attacker to execute arbitrary code with SYSTEM privileges. This could enable the attacker to install programs, view, change, or delete data, or create new accounts with full user rights. The impact of this vulnerability is significant, especially in environments where systems are shared by multiple users or where local access is not strictly controlled. Although the number of affected systems is unknown, given that Windows Speech services are a built-in component of the Windows operating system, the potential attack surface is very large.\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-2026-32153 as soon as possible; reference: \u003ca href=\"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32153\"\u003ehttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32153\u003c/a\u003e.\u003c/li\u003e\n\u003cli\u003eDeploy the Sigma rules to detect potential exploitation attempts of the use-after-free vulnerability.\u003c/li\u003e\n\u003cli\u003eMonitor systems for unusual activity related to the Windows Speech service to identify potential exploitation attempts.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2026-04-15T12:00:00Z","date_published":"2026-04-15T12:00:00Z","id":"/briefs/2026-04-cve-2026-32153-windows-speech-eop/","summary":"CVE-2026-32153 is a use-after-free vulnerability in Microsoft Windows Speech that allows a locally authorized attacker to elevate privileges.","title":"CVE-2026-32153 Windows Speech Use-After-Free Privilege Escalation","url":"https://feed.craftedsignal.io/briefs/2026-04-cve-2026-32153-windows-speech-eop/"}],"language":"en","title":"CraftedSignal Threat Feed — Cve-2026-32153","version":"https://jsonfeed.org/version/1.1"}