What is CVE-2026-53249?

CVE-2026-53249 is a security advisory published by Microsoft Security Response Center (MSRC) with Medium severity. ipv4: restrict IPOPT_SSRR and IPOPT_LSRR options

Which CVE IDs does CVE-2026-53249 cover?

CVE-2026-53249 covers the following CVE IDs: CVE-2026-53249. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-53249?

CVE-2026-53249 has a CVSS v3 base score of 7.0, published by Microsoft Security Response Center (MSRC).

CVE-2026-53249MediumCVSS 7.0

ipv4: restrict IPOPT_SSRR and IPOPT_LSRR options

Vendor

Microsoft Security Response Center (MSRC)

Published

June 30, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-53249 →