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CVE-2026-43503

exploited in the wild☆ pin

CVSS

8.8

Reports

2

First seen

Jun 26, 2026

Last seen

Jun 29, 2026

Affected product

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

Recent reports

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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