{"description":"Trending threats, MITRE ATT\u0026CK coverage, and detection metadata. Fed continuously.","feed_url":"https://feed.craftedsignal.io/tags/cortex-xdr/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":["Cortex XDR Broker VM (\u003c 31.0.58)"],"_cs_severities":["low"],"_cs_tags":["privilege-escalation","vulnerability","palo-alto-networks","cortex-xdr"],"_cs_type":"advisory","_cs_vendors":["Palo Alto Networks"],"content_html":"\u003cp\u003ePalo Alto Networks has disclosed CVE-2026-0276, a privilege escalation vulnerability affecting Cortex XDR Broker VM versions 20.0.96 through 31.0.57. This flaw permits a locally authenticated user with low privileges to execute arbitrary commands as the root user on the Broker VM. No special configuration is required for exposure, and the attack complexity is considered low. While the vulnerability enables an attacker to achieve full control over the Broker VM, Palo Alto Networks is currently unaware of any malicious exploitation of this issue in the wild. This vulnerability is significant for defenders because compromise of a security product like Cortex XDR Broker VM could undermine an organization's detection and response capabilities, potentially allowing other malicious activities to go unnoticed.\u003c/p\u003e\n\u003ch2 id=\"attack-chain\"\u003eAttack Chain\u003c/h2\u003e\n\u003col\u003e\n\u003cli\u003eAn attacker gains initial low-privileged local access to the Cortex XDR Broker VM.\u003c/li\u003e\n\u003cli\u003eThe attacker identifies and exploits CVE-2026-0276, leveraging the improper privilege management within the system.\u003c/li\u003e\n\u003cli\u003eUpon successful exploitation, the attacker's low-privileged session is elevated, granting them root user access on the Broker VM.\u003c/li\u003e\n\u003cli\u003eWith root privileges, the attacker can execute arbitrary commands, modify system configurations, or install additional malicious software directly on the Broker VM.\u003c/li\u003e\n\u003cli\u003eThe attacker may disable or tamper with Cortex XDR services running on the Broker VM to evade detection.\u003c/li\u003e\n\u003cli\u003eThe attacker maintains persistent root access to the Broker VM, potentially using it as a pivot point for further network compromise or data exfiltration.\u003c/li\u003e\n\u003c/ol\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eA successful exploitation of CVE-2026-0276 would allow an attacker to gain complete control over the compromised Cortex XDR Broker VM. While no malicious exploitation has been observed, such access could lead to the degradation or complete bypass of the security monitoring capabilities provided by Cortex XDR, potentially leaving an organization blind to other ongoing attacks. An attacker could also manipulate the Broker VM to exfiltrate sensitive data it processes or use it as a launchpad for lateral movement within the network. This compromise impacts the integrity and availability of the security infrastructure itself.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003eImmediately upgrade all affected Cortex XDR Broker VM instances to version 31.0.58 or later to address CVE-2026-0276.\u003c/li\u003e\n\u003cli\u003eVerify that automatic upgrades are enabled for Cortex XDR Broker VM as recommended by Palo Alto Networks to ensure timely receipt of security patches.\u003c/li\u003e\n\u003cli\u003eRegularly review access logs for the Cortex XDR Broker VM for any unusual local login attempts, especially from low-privileged accounts.\u003c/li\u003e\n\u003cli\u003eImplement strong authentication and access control policies for all management interfaces of the Cortex XDR Broker VM to limit potential initial low-privileged access.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2026-07-08T16:12:59Z","date_published":"2026-07-08T16:12:59Z","id":"https://feed.craftedsignal.io/briefs/2026-07-cve-2026-0276-cortex-xdr-broker-vm-pe/","summary":"A local privilege escalation vulnerability, CVE-2026-0276, in Palo Alto Networks Cortex XDR Broker VM allows a locally authenticated low-privileged user to gain root access, potentially leading to compromise of the security solution itself.","title":"CVE-2026-0276: Palo Alto Networks Cortex XDR Broker VM Privilege Escalation","url":"https://feed.craftedsignal.io/briefs/2026-07-cve-2026-0276-cortex-xdr-broker-vm-pe/"}],"language":"en","title":"CraftedSignal Threat Feed - Cortex-Xdr","version":"https://jsonfeed.org/version/1.1"}