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CVE-2026-52908: RDMA: During rereg_mr ensure that REREG_ACCESS is compatible

highCVSS 7.8CVE-2026-52908

CSIRTS triage

product: RDMAOther
What
This vulnerability ensures that REREG_ACCESS is compatible during rereg_mr.
Who is affected
Deployments using the affected RDMA implementation.
Urgency
Remediation is urgent due to high severity and potential for exploitation.
Action
Apply the fix as soon as it is available.

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Details

Source
Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity
high — CVSS 7.8
Published
2026-06-09
Exploitation
Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-52908

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-2026-52908coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

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

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