What is CVE-2026-23398?

CVE-2026-23398 is a security advisory published by Microsoft Security Response Center (MSRC) with Medium severity. icmp: fix NULL pointer dereference in icmp_tag_validation()

Which CVE IDs does CVE-2026-23398 cover?

CVE-2026-23398 covers the following CVE IDs: CVE-2026-23398. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-23398?

CVE-2026-23398 has a CVSS v3 base score of 6.5, published by Microsoft Security Response Center (MSRC).

CVE-2026-23398MediumCVSS 6.5

icmp: fix NULL pointer dereference in icmp_tag_validation()

Vendor

Microsoft Security Response Center (MSRC)

Published

May 31, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-23398 →