Risk Letters

Exploited vulnerability

CVE-2026-53362

TLP:CLEAR

Linux Kernel Unspecified Vulnerability

Linux Kernel contains an unspecified vulnerability that can allow for privilege escalation via IPv6 networking subsystem. This vulnerability can impact multiple products, including but not limited to Suse, Red Hat, and other products using Linux.

Facts

  • Vendor: Linux
  • Product: Kernel
  • CVSS: 7.8
  • EPSS (probability of exploitation within 30 days): 0.7 %
  • On CISA's Known Exploited Vulnerabilities list since: 27 August 2026
  • First known exploitation: 27 August 2026
  • CISA's deadline for US federal agencies: 30 August 2026
  • First seen by Risk Letters: 27 August 2026

Members see which Nordic sectors the flaw hits, and what to do about it.

Get the full brief

Data: NVD (public domain), CISA KEV, FIRST EPSS, MITRE ATT&CK, AlienVault OTX. NVD