15-Year-Old GhostLock Flaw Enables Root and Container Escape on Most Linux Distros
Researchers at Nebula Security have disclosed GhostLock (CVE-2026-43499), a 15-year-old Linux kernel flaw that lets any logged-in user take full root control of a machine that has not been patched.
The vulnerable code has shipped by default in essentially every mainstream distribution since 2011. The flaw needs no special permission, no unusual settings, and no network
Source: The Hacker News
Microsoft Confirms RoguePlanet Defender Zero-Day, Says Patch is in Development Microsoft has formally disclosed that it’s working to release a patch to address a Defender zero-day codenamed RoguePlanet. The vulnerability
Cisco Catalyst SD-WAN Zero-Day CVE-2026-20245 Exploited to Gain Root Access An unknown threat actor exploited a recently disclosed high-severity security flaw impacting Cisco Catalyst SD-WAN as a zero-day at least
Espionage Against the European Parliament Source: Hacker News