CSIRTS // UNIFIED SECURITY ADVISORY FEEDSYS ● ONLINE · POWERED BY INTELFUSIONS.COM

← Back to feed

CVE-2026-52916: batman-adv: frag: disallow unicast fragment in fragment

mediumCVSS 5.5CVE-2026-52916

CSIRTS triage

vendor: nullproduct: batman-advOther
What
The vulnerability disallows unicast fragments in the batman-adv protocol.
Who is affected
Deployments using batman-adv are affected.
Urgency
Remediation is medium urgency as the severity is rated as medium with a CVSS score of 5.5.
Action
Update to the latest version of batman-adv.

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

⚡ Watch batman-adv

Get an email when a new batman-adv advisory drops — max one per day, one-click unsubscribe.

Details

Source
Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity
medium — CVSS 5.5
Published
2026-06-09
Exploitation
Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-52916

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-2026-52916coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

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

Recent advisories for batman-adv

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

More from Microsoft Security Response Center