{"description":"Trending threats, MITRE ATT\u0026CK coverage, and detection metadata. Fed continuously.","feed_url":"https://feed.craftedsignal.io/vendors/gigabyte/feed.json","home_page_url":"https://feed.craftedsignal.io/","items":[{"_cs_actors":[],"_cs_cpes":[],"_cs_cves":[],"_cs_exploited":false,"_cs_has_poc":false,"_cs_poc_references":[],"_cs_products":["Control Center"],"_cs_severities":["high"],"_cs_tags":["insecure-deserialization","privilege-escalation","windows"],"_cs_type":"advisory","_cs_vendors":["Gigabyte"],"content_html":"\u003cp\u003eCVE-2026-4416 describes an insecure deserialization vulnerability within the Performance Library component of Gigabyte Control Center. This vulnerability allows an authenticated local attacker to escalate privileges on a vulnerable system. The attack involves crafting and sending a malicious serialized payload to the EasyTune Engine service. The exact versions of Gigabyte Control Center affected are not specified in the source, but the vulnerability's impact is significant given the potential for complete system compromise from a local account. Defenders should prioritize patching and monitoring for suspicious activity related to the EasyTune Engine service.\u003c/p\u003e\n\u003ch2 id=\"attack-chain\"\u003eAttack Chain\u003c/h2\u003e\n\u003col\u003e\n\u003cli\u003eThe attacker authenticates to the local system.\u003c/li\u003e\n\u003cli\u003eThe attacker identifies the EasyTune Engine service as a target.\u003c/li\u003e\n\u003cli\u003eThe attacker crafts a malicious serialized payload designed to exploit the insecure deserialization vulnerability.\u003c/li\u003e\n\u003cli\u003eThe attacker sends the malicious serialized payload to the EasyTune Engine service.\u003c/li\u003e\n\u003cli\u003eThe EasyTune Engine service deserializes the payload without proper validation.\u003c/li\u003e\n\u003cli\u003eExploitation of the insecure deserialization vulnerability occurs, allowing arbitrary code execution.\u003c/li\u003e\n\u003cli\u003eThe attacker leverages the code execution to escalate privileges to SYSTEM.\u003c/li\u003e\n\u003cli\u003eThe attacker performs malicious actions with elevated privileges.\u003c/li\u003e\n\u003c/ol\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eSuccessful exploitation of CVE-2026-4416 allows a local, authenticated attacker to escalate their privileges to SYSTEM. This grants the attacker complete control over the compromised system, potentially leading to data theft, malware installation, or system disruption. The number of potential victims depends on the prevalence of Gigabyte Control Center installations.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMonitor process creation events for suspicious processes spawned by the EasyTune Engine service to detect potential exploitation attempts (see Sigma rule \u0026quot;Detect Suspicious Process Creation by EasyTune Engine\u0026quot;).\u003c/li\u003e\n\u003cli\u003eImplement file integrity monitoring on the EasyTune Engine service executable and related libraries to detect unauthorized modifications.\u003c/li\u003e\n\u003cli\u003eApply available patches from Gigabyte to remediate CVE-2026-4416 as soon as they are released.\u003c/li\u003e\n\u003cli\u003eEnable Sysmon process creation logging to capture detailed process execution information for effective analysis of exploitation attempts.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2024-01-02T12:00:00Z","date_published":"2024-01-02T12:00:00Z","id":"https://feed.craftedsignal.io/briefs/2024-01-02-gigabyte-privesc/","summary":"A local, authenticated attacker can exploit an insecure deserialization vulnerability in the Gigabyte Control Center's Performance Library component by sending a malicious serialized payload to the EasyTune Engine service, leading to privilege escalation.","title":"Gigabyte Control Center Insecure Deserialization Privilege Escalation (CVE-2026-4416)","url":"https://feed.craftedsignal.io/briefs/2024-01-02-gigabyte-privesc/"}],"language":"en","title":"CraftedSignal Threat Feed - Gigabyte","version":"https://jsonfeed.org/version/1.1"}