ZDI-26-395: X.Org Server SyncChangeCounter Use-After-Free Privilege Escalation Vulnerability

Kurzinfo

Metadaten

  • Original (extern): Link oeffnen
  • Veroeffentlicht: 2026-06-24 05:00 UTC
  • Importiert: 2026-08-24 20:28 UTC
  • CVSS: 7.8
  • Quelle-ID: zdi_pub
  • uid_hash: 0e63b7c4cd8c118a78021b2a9b236ca1739c5b48713134e3d32b9523bd714a85

Inhalt

This vulnerability allows local attackers to escalate privileges on affected installations of X.Org Server. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2026-50261.

Verknuepfte CVEs

CVE-ID Severity (Quelle) CVSS (Quelle) Severity (CVE.org) CVSS (CVE.org) EPSS EPSS-Pctl Veroeffentlicht (CVE.org)

CVE-2026-50261

HIGH

7.8

HIGH

7.8

2026-06-05

Quellen-Details

Bezeichnung Name Kategorie Tags Zielgruppe Sprache Feed-URL
Zero Day Initiative (Published)

zdi_pub

threat_intel - de https://www.zerodayinitiative.com/rss/published/