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CVE-2026-46244: netfilter: nft_inner: Fix IPv6 inner_thoff desync

highCVSS 7CVE-2026-46244

CSIRTS triage

Other
What
A vulnerability in netfilter: nft_inner related to IPv6 inner_thoff desynchronization.
Who is affected
Affected systems using netfilter: nft_inner.
Urgency
Remediation is important due to the high severity rating of 7.0.
Action
Apply the necessary updates for netfilter: nft_inner.

AI-assisted analysis generated from the source advisory — verify against the original.

Details

Source
Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity
high — CVSS 7
Published
2026-06-09
Exploitation
Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-46244

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2026-46244coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

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