How severe is CVE-2026-86845?

CVE-2026-86845 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2026-86845 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-86845?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2026-86845 published?

CVE-2026-86845 was published on 2026-10-14 and last updated on 2026-10-15.

CVE-2026-86845

CVE-2026-86845 is a medium-severity vulnerability with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-825.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (2nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-825
Published: 2026-10-14
Last modified: 2026-10-15

Description

A flaw was found in DPDK lib/vhost vhost-crypto. Session cleanup can leave a stale cached session pointer, and the data path does not check the session type before attaching it, leading to use-after-free or type confusion in the host vhost-crypto backend.

Frequently asked questions

What is CVE-2026-86845?: A flaw was found in DPDK lib/vhost vhost-crypto. Session cleanup can leave a stale cached session pointer, and the data path does not check the session type before attaching it, leading to use-after-free or type confusion in the host vhost-crypto backend.
How severe is CVE-2026-86845?: CVE-2026-86845 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2026-86845 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-86845?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2026-86845 published?: CVE-2026-86845 was published on 2026-10-14 and last updated on 2026-10-15.

References

Other CWE-825 vulnerabilities

CVE-2025-49794 — Critical (CVSS 9.1): A use-after-free vulnerability was found in libxml2. This issue occurs when parsing XPath elements under certain…
CVE-2026-46176 — High (CVSS 7.8): In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx5: Fix error path fall-through in…
CVE-2026-34001 — High (CVSS 7.8): A flaw was found in the X.Org X server. This use-after-free vulnerability occurs in the XSYNC fence triggering logic,…
CVE-2026-8854 — High (CVSS 7.5): IBM HTTP Server 8.5, and 9.0 is vulnerable to denial of service via the optional module mod_mem_cache.
CVE-2025-49795 — High (CVSS 7.5): A NULL pointer dereference vulnerability was found in libxml2 when processing XPath XML expressions. This flaw allows…
CVE-2023-20212 — High (CVSS 7.5): A vulnerability in the AutoIt module of ClamAV could allow an unauthenticated, remote attacker to cause a denial of…

Browse all CWE-825 vulnerabilities →