Is there a public exploit for CVE-2026-86849?

No public exploit for CVE-2026-86849 was found in Exploit-DB, Metasploit, Nuclei templates or public proof-of-concept repositories. That is an absence of evidence rather than proof that none exists.

How severe is CVE-2026-86849?

CVE-2026-86849 scores CVSS 6.5 (v3.1), rated medium. EPSS puts the chance of exploitation in the next 30 days at 0.13%.

What does CVE-2026-86849 affect?

CVE-2026-86849 affects Red Hat Red Hat Enterprise Linux 9, Red Hat Enterprise Linux 10.

6.5 Medium

A flaw was found in DPDK lib/vhost vhost-crypto.

CVE-2026-86849

A flaw was found in DPDK lib/vhost vhost-crypto. Integer overflow in chain length checks, and missing length checks on the RSA path, can overflow a host buffer in the vhost-crypto backend.

Assessment

CVSS: 6.5 (v3.1)
Severity: Medium
EPSS: 0.13% chance of exploitation in the next 30 days
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 14 October 2026
Last updated: 3 November 2026
Affected: Red Hat · Red Hat Enterprise Linux 10 · Red Hat Enterprise Linux 9
Assigner: redhat

CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

At the source

EUVD (ENISA)

References

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