Actively exploited
Listed in CISA’s Known Exploited Vulnerabilities catalog since August 27, 2026.
CVE-2026-53362
Linux Kernel Unspecified Vulnerability
Added to KEV August 27, 2026
Alert details
- Source feed
- CISA KEV
- CVE ID
- CVE-2026-53362
- Affected products
- Kernel · Linux Kernel · Linux
What happened
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.
What it means for your business
Linux Kernel is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2026-53362). 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. CISA remediation due date: 2026-08-30. If you need help checking exposure, call (864) 335-9223.
Required action
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
CISA due date: August 30, 2026
Sources
Related briefs
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