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CVE-2026-43503

exploited in the wild☆ pin

CVSS

8.8

Reports

5

First seen

Jun 26, 2026

Last seen

Jul 24, 2026

Affected product

Linux kernel (file-backed memory, network packet cloning)

Associated actors

Gaslight ×1 Turla ×1

Recent reports

AI Agent Hermes Deployed for Post-Exploitation at Thai Finance Ministry

The Hacker NewsJul 24, 2026 High

RedHat Linux Kernel Multiple Vulnerabilities

HKCERTJul 2, 2026 High

Weekly Recap: Linux Kernel Flaws, AI Malware Tricks, Turla Backdoor, Infostealers and More

The Hacker NewsJun 29, 2026 High

Multiple Elevation of Privilege Vulnerabilities in Linux Kernel (CVE-2026-43503, CVE-2026-46331)

GovCERT.HKJun 29, 2026 High

DirtyClone Linux Kernel Privilege Escalation Flaw (CVE-2026-43503)

The Hacker NewsJun 26, 2026

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