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CVE record · CVE-2026-74688

sctp: clear control chunk transport if it is being removed

CVSS 9.8 CriticalCriticalEPSS 0.0050 · 43rd percentile

Critical, because:

  • CVSS score 9.8: 9.0 or more.

How we decide what’s critical

Published by the CVE Program (CNA: Linux) at 22 Aug 2026, 15:32 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
VendorProductVersions
Linux Linux
  • affected 8a07eb0a50aebc8c95478d49c28c7f8419a26cef to before dbb3f418a8665ffb0514e1a9520ab6a1c5d4d886 git
  • affected 8a07eb0a50aebc8c95478d49c28c7f8419a26cef to before fad4766a74220fe579c6fcaa10ba01c23529814f git
  • affected 8a07eb0a50aebc8c95478d49c28c7f8419a26cef to before 936658ec41c28c397ef390140e02d4c91ade92f0 git
  • affected 8a07eb0a50aebc8c95478d49c28c7f8419a26cef to before 8de65194a04d2552cd39b6c67d942d490f22d174 git
  • affected 8a07eb0a50aebc8c95478d49c28c7f8419a26cef to before 6160e756db81d6cb63e3e2952efcf6c5134be385 git
  • affected 8a07eb0a50aebc8c95478d49c28c7f8419a26cef to before 18d704bdd809377dfd81a3c2f42426763b5da227 git
  • affected 8a07eb0a50aebc8c95478d49c28c7f8419a26cef to before 4d6b9cac6df5e0cfef1a66b3edd7aebdb9e4b7e7 git
  • affected 8a07eb0a50aebc8c95478d49c28c7f8419a26cef to before c9158ceaf27780ef64534ad72f44ffde3f8ccc49 git
Other versions: unaffected
Linux Linux
  • affected 3.1
  • unaffected before 3.1 semver
  • unaffected 5.10.265 to 5.10.*, inclusive semver
  • unaffected 5.15.216 to 5.15.*, inclusive semver
  • unaffected 6.1.183 to 6.1.*, inclusive semver
  • unaffected 6.6.152 to 6.6.*, inclusive semver
  • unaffected 6.12.104 to 6.12.*, inclusive semver
  • unaffected 6.18.45 to 6.18.*, inclusive semver
  • unaffected 7.1.9 to 7.1.*, inclusive semver
  • unaffected 7.2 to *, inclusive original_commit_for_fix
Other versions: affected
Identifiers
CVE-2026-74688
CNA
Linux
Tags
Published
22 Aug 2026
Updated
16 Oct 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

ScoreRatingCVSSVectorSource
9.8 Critical 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CNA (Linux)
  • CISA KEV Not listed.
  • EPSS 0.0050, the 43rd percentile, on 15 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 22 Aug 2026. New records show when each source confirmed them.

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.