CVE-2026-86565CWE-787

CVE-2026-86565

High · published October 14, 2026

CVSS v3.1
8.2
EPSS
0%
Percentile
5.7
In the wild
Unconfirmed
What it is

A flaw was found in DPDK lib/vhost. A guest can desynchronize virtqueue size from inflight descriptor table size, causing an out-of-bounds write in the host vhost process.

The record
Technical detail
CVSS v3.1
8.2 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00167 · 5.7th percentile
Weakness
CWE-787 · Out-of-bounds Write
Published
2026-10-14T21:20Z
References (2)
https://access.redhat.com/security/cve/CVE-2026-86565 · [email protected]https://bugzilla.redhat.com/show_bug.cgi?id=2529683 · [email protected]
EPSS history
Timeline
  • 16 OCT 03:33Z
    EPSS moved — → 0%
    epss
  • 14 OCT 16:08Z
    Dpdk: dpdk: guest can desynchronize virtqueue size from inflight descriptor table size, causing out-of-bounds write
    cvelistv5
  • 14 OCT 16:08Z
    Dpdk: dpdk: guest can desynchronize virtqueue size from inflight descriptor table size, causing out-of-bounds write
    cvelistv5