CVE-2026-53245: net/802/mrp: fix vector attribute parsing in mrp_pdu_parse_vecattr
CSIRTS triage
- What
- This vulnerability involves incorrect vector attribute parsing in the mrp_pdu_parse_vecattr function.
- Who is affected
- Deployments using net/802/mrp are affected.
- Urgency
- Remediation is medium urgency due to a severity rating of 5.5.
- Action
- Update to the patched version for CVE-2026-53245.
AI-assisted analysis generated from the source advisory — verify against the original.
Details
Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-53245
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-2026-532450.13% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 3% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-53245 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
- unknownMultiple vulnerabilities in Microsoft Azure Linux (June 29, 2026)cert-fr-avis
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