CVE-2026-49759: Stack buffer overflow in SCTP error cause parsing in inet_drv allows remote VM crash

highCVSS 8.2CVE-2026-49759

CSIRTS triage

vendor: Erlang/OTP product: Erlang/OTP Memory corruption

What: A stack buffer overflow in SCTP error cause parsing can lead to a remote VM crash.
Who is affected: Deployments of Erlang/OTP that utilize SCTP.
Urgency: Remediation is urgent due to the high severity and potential for remote crashes.
Action: Update to the latest version of Erlang/OTP to mitigate this vulnerability.

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: high — CVSS 8.2
Published: 2026-06-09
Exploitation: Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-49759

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-2026-497590.50% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 40% of all EPSS-scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-49759	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

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

medium[UPDATE] [medium] Erlang/OTP: Multiple vulnerabilitiescert-bund
unknownDSA-6464-1 erlang - security updatedebian

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