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HIGH

CVE-2026-86848

CVSS v3

8.8

HIGH

EPSS Score

0.1 %

exploit probability, as of 2026-10-16

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

  • CVE-2026-86848 Red Hat Product Security149 known affected

    dpdk: dpdk: Time-of-check/time-of-use vulnerability allowing guest-triggered out-of-bounds write in vhost-crypto

    grout-frr as a component of Fast Datapath for RHEL 10 · grout.src as a component of Fast Datapath for RHEL 10 · openvswitch3.5-devel as a component of Fast Datapath for RHEL 10

Full record on NVD

Description

A flaw was found in DPDK lib/vhost vhost-crypto. The indirect-descriptor snapshot double-fetches a guest descriptor next index, allowing a malicious guest to cause an out-of-bounds access in the host backend.

Technical details

CVSS v3 Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Published
2026-10-14
Last Modified
2026-10-14

Frequently asked questions

What is CVE-2026-86848?

A flaw was found in DPDK lib/vhost vhost-crypto. The indirect-descriptor snapshot double-fetches a guest descriptor next index, allowing a malicious guest to cause an out-of-bounds access in the host backend.

Is CVE-2026-86848 actively exploited?

Active exploitation of CVE-2026-86848 has not been confirmed. Its EPSS score was 0.1% on 2026-10-16, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-86848?

CVE-2026-86848 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

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