CVE-2026-74588: sctp: keep chunk->transport in step with the list it is queued on

mediumCVSS 6.5CVE-2026-74588

CSIRTS triage

vendor: Linux product: Linux Kernel Memory corruption

What: SCTP chunk transport pointer is not kept synchronized with the list it is queued on, causing memory corruption and potential system instability.
Who is affected: Systems using SCTP protocol with active network traffic.
Urgency: Medium-high priority; memory corruption can lead to denial of service or crash under SCTP operations.
Action: Apply kernel patches addressing CVE-2026-74588 when available through distribution updates.

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

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Details

Source: Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity: medium — CVSS 6.5
Published: 2026-08-11
Exploitation: Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-74588

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.

Low exploitation riskCVE-2026-745880.18% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 7% of all EPSS-scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-74588	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

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