{"description":"Trending threats, MITRE ATT\u0026CK coverage, and detection metadata. Fed continuously.","feed_url":"https://feed.craftedsignal.io/products/media-encoder--26.0.2/feed.json","home_page_url":"https://feed.craftedsignal.io/","items":[{"_cs_actors":[],"_cs_cpes":[],"_cs_cves":[{"cvss":7.8,"id":"CVE-2026-34640"}],"_cs_exploited":false,"_cs_has_poc":false,"_cs_poc_references":[],"_cs_products":["Media Encoder (\u003c= 26.0.2)"],"_cs_severities":["high"],"_cs_tags":["cve-2026-34640","integer_overflow","code_execution"],"_cs_type":"advisory","_cs_vendors":["Adobe"],"content_html":"\u003cp\u003eAdobe Media Encoder versions up to 26.0.2 and 25.6.4 are vulnerable to an integer overflow or wraparound, as identified by CVE-2026-34640. This vulnerability can be exploited if a user opens a specially crafted malicious file designed to trigger the overflow, which could then allow the attacker to execute arbitrary code with the privileges of the current user. The attacker must rely on social engineering to get the victim to open the malicious file. Given the potential for arbitrary code execution, successful exploitation can lead to complete system compromise.\u003c/p\u003e\n\u003ch2 id=\"attack-chain\"\u003eAttack Chain\u003c/h2\u003e\n\u003col\u003e\n\u003cli\u003eAttacker crafts a malicious media file designed to trigger an integer overflow during processing.\u003c/li\u003e\n\u003cli\u003eThe attacker uses social engineering to convince the victim to open the malicious media file.\u003c/li\u003e\n\u003cli\u003eThe victim opens the file with a vulnerable version of Adobe Media Encoder.\u003c/li\u003e\n\u003cli\u003eDuring the decoding process, the integer overflow occurs when the application processes specific parameters of the malformed media file.\u003c/li\u003e\n\u003cli\u003eThe integer overflow leads to a buffer overflow.\u003c/li\u003e\n\u003cli\u003eThe buffer overflow allows the attacker to overwrite parts of the program\u0026rsquo;s memory.\u003c/li\u003e\n\u003cli\u003eThe attacker injects malicious code into the memory space.\u003c/li\u003e\n\u003cli\u003eThe injected code executes, granting the attacker arbitrary code execution within the context of the user.\u003c/li\u003e\n\u003c/ol\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eSuccessful exploitation of CVE-2026-34640 allows an attacker to execute arbitrary code on the victim\u0026rsquo;s system with the privileges of the current user. This can lead to sensitive data theft, malware installation, or complete system compromise. The impact is high due to the potential for full control over the affected system.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003eUpgrade to the latest version of Adobe Media Encoder to patch CVE-2026-34640.\u003c/li\u003e\n\u003cli\u003eEducate users on the risks of opening unsolicited or untrusted media files to mitigate the initial attack vector.\u003c/li\u003e\n\u003cli\u003eImplement the provided Sigma rule to detect suspicious process execution following Adobe Media Encoder activity.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2026-05-12T18:26:37Z","date_published":"2026-05-12T18:26:37Z","id":"https://feed.craftedsignal.io/briefs/2026-05-cve-2026-34640-media-encoder-integer-overflow/","summary":"Adobe Media Encoder versions 26.0.2, 25.6.4 and earlier are susceptible to an integer overflow or wraparound vulnerability (CVE-2026-34640) that could lead to arbitrary code execution when a user opens a malicious file.","title":"Adobe Media Encoder Integer Overflow Vulnerability (CVE-2026-34640)","url":"https://feed.craftedsignal.io/briefs/2026-05-cve-2026-34640-media-encoder-integer-overflow/"},{"_cs_actors":[],"_cs_cpes":[],"_cs_cves":[{"cvss":7.8,"id":"CVE-2026-34639"}],"_cs_exploited":false,"_cs_has_poc":false,"_cs_poc_references":[],"_cs_products":["Media Encoder (\u003c= 26.0.2)","Media Encoder (25.6.4)"],"_cs_severities":["high"],"_cs_tags":["cve","oob-write","code-execution"],"_cs_type":"advisory","_cs_vendors":["Adobe Systems Incorporated"],"content_html":"\u003cp\u003eAdobe Media Encoder versions 26.0.2, 25.6.4, and earlier contain an out-of-bounds write vulnerability (CVE-2026-34639) that can result in arbitrary code execution within the context of the current user. This vulnerability requires user interaction to exploit, specifically the victim must open a specially crafted malicious file using the vulnerable version of Adobe Media Encoder. Successful exploitation could allow an attacker to execute arbitrary code on the victim\u0026rsquo;s system. This poses a significant risk, especially for users who regularly process media files from untrusted sources.\u003c/p\u003e\n\u003ch2 id=\"attack-chain\"\u003eAttack Chain\u003c/h2\u003e\n\u003col\u003e\n\u003cli\u003eAn attacker crafts a malicious media file specifically designed to trigger the out-of-bounds write vulnerability in Adobe Media Encoder.\u003c/li\u003e\n\u003cli\u003eThe attacker lures a victim into opening the malicious media file. This could be achieved through social engineering, such as sending the file as an attachment or embedding it in a website.\u003c/li\u003e\n\u003cli\u003eThe victim opens the malicious file using a vulnerable version of Adobe Media Encoder (26.0.2, 25.6.4, or earlier).\u003c/li\u003e\n\u003cli\u003eAs Adobe Media Encoder processes the file, the out-of-bounds write vulnerability is triggered due to malformed data within the crafted file.\u003c/li\u003e\n\u003cli\u003eThe out-of-bounds write allows the attacker to overwrite arbitrary memory locations within the Adobe Media Encoder process.\u003c/li\u003e\n\u003cli\u003eThe attacker leverages the ability to write to arbitrary memory locations to inject and execute malicious code. This code is executed within the context of the current user.\u003c/li\u003e\n\u003cli\u003eThe attacker gains control of the user\u0026rsquo;s system.\u003c/li\u003e\n\u003cli\u003eThe attacker can now perform actions such as installing malware, stealing data, or further compromising the system.\u003c/li\u003e\n\u003c/ol\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eSuccessful exploitation of CVE-2026-34639 leads to arbitrary code execution within the context of the user running Adobe Media Encoder. The attacker could potentially gain full control of the system, leading to data theft, malware installation, or further exploitation of the network. The specific number of affected users is not known, but the vulnerability affects a widely used media processing application.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003eUpgrade Adobe Media Encoder to a version beyond 26.0.2 or 25.6.4 to patch CVE-2026-34639.\u003c/li\u003e\n\u003cli\u003eImplement the provided Sigma rule \u003ccode\u003eDetect Suspicious File Opens in Adobe Media Encoder\u003c/code\u003e to identify suspicious file access patterns within Adobe Media Encoder processes.\u003c/li\u003e\n\u003cli\u003eEducate users to be cautious when opening media files from untrusted sources to mitigate the user interaction requirement of CVE-2026-34639.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2026-05-12T18:26:22Z","date_published":"2026-05-12T18:26:22Z","id":"https://feed.craftedsignal.io/briefs/2026-05-cve-2026-34639-ame-oob-write/","summary":"Adobe Media Encoder versions 26.0.2, 25.6.4 and earlier are affected by an out-of-bounds write vulnerability (CVE-2026-34639) that could lead to arbitrary code execution if a user opens a malicious file.","title":"CVE-2026-34639: Adobe Media Encoder Out-of-Bounds Write Vulnerability","url":"https://feed.craftedsignal.io/briefs/2026-05-cve-2026-34639-ame-oob-write/"}],"language":"en","title":"CraftedSignal Threat Feed — Media Encoder (\u003c= 26.0.2)","version":"https://jsonfeed.org/version/1.1"}