A flaw was found in KubeVirt's virt-handler component. This vulnerability allows an authenticated OpenShift user with edit permissions in a single namespace to exploit improper symlink validation when connecting to virtual machine console sockets. By replacing the console socket with a symlink to the host's container runtime (CRI-O) socket, an attacker can hijack virt-handler's privileged connection. This enables the attacker to access any Unix socket on the host, potentially leading to full control of the node and the entire cluster.
CVE-2026-7374
Score 9.9 from GitHub Security Advisory (severity: CRITICAL) published 2026-05-26. a secondary CVSS source baseline 9.9; sources differ by 0.0.
- High severity, but no confirmed exploitation yet
A fix is available — apply it.
- CVSS v3
- 9.9
- EG Score
- 9.9(medium)
- EG Risk
- 45(Track)EG Risk 45/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity99% × 45%Exploitation1% × 40%Automatability0% × 15%Action: Routine — remediate on your standard cadence. - EPSS
- 44.8%
- KEV
- Not listed
Published
May 26, 2026
Last Modified
July 24, 2026
Advisory Details (12)
Auto-updated Jul 24, 20262463728 – (CVE-2026-7374) CVE-2026-7374 kubevirt: KubeVirt virt-handler: Privilege escalation and node compromise via symlink following vulnerability
https://bugzilla.redhat.com/show_bug.cgi?id=2463728Vendor Advisories for CVE-2026-7374(12)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
- CVE-2026-7374Microsoft Security Response Center (MSRC)Critical
Kubevirt: kubevirt virt-handler: privilege escalation and node compromise via symlink following vulnerability
- RHSA-2026:20975Red Hat Product SecurityHigh
Red Hat Security Advisory: OpenShift Virtualization v4.16 Images
- GHSA-7jcp-v9w4-wjmgGitHub Security AdvisoriesCritical
KubeVirt has a Link Following vulnerability
- RHSA-2026:20890Red Hat Product SecurityHigh
Red Hat Security Advisory: OpenShift Virtualization v4.14 Images
- RHSA-2026:20886Red Hat Product SecurityHigh
Red Hat Security Advisory: OpenShift Virtualization v4.13 Images
- RHSA-2026:20866Red Hat Product SecurityHigh
Red Hat Security Advisory: OpenShift Virtualization v4.15 Images
- RHSA-2026:20825Red Hat Product SecurityHigh
Red Hat Security Advisory: OpenShift Virtualization v4.12 Images
- RHSA-2026:20782Red Hat Product SecurityHigh
Red Hat Security Advisory: OpenShift Virtualization v4.20 Images
- +4 more
Patch Availability(10)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| redhat | container-native-virtualization/virt-handler:1779375376 | 2026-05-26 | redhat |
| redhat | container-native-virtualization/virt-handler-rhel9:1778859977 | 2026-05-26 | redhat |
| redhat | container-native-virtualization/virt-handler-rhel9:1778861274 | 2026-05-26 | redhat |
| redhat | container-native-virtualization/virt-handler-rhel9:1779174925 | 2026-05-26 | redhat |
| redhat | container-native-virtualization/virt-handler-rhel9:1778887155 | 2026-05-26 | redhat |
| redhat | container-native-virtualization/virt-handler-rhel9:1779289071 | 2026-05-26 | redhat |
| redhat | container-native-virtualization/virt-handler-rhel9:1779420069 | 2026-05-26 | redhat |
| redhat | container-native-virtualization/virt-handler-rhel9:1778999881 | 2026-05-26 | redhat |
| redhat | container-native-virtualization/virt-handler-rhel9:1779321599 | 2026-05-26 | redhat |
| redhat | container-native-virtualization/virt-handler-rhel9:1779288737 | 2026-05-26 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Affected Packages
(1 across 1 ecosystem)
Go(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| kubevirt.io/kubevirt | — | 1.8.3 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 11× in last 7d / 74× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 306 total refreshes for this CVE.
- 2026-07-23 14:18 UTCEPSS rescore
- 2026-07-23 14:18 UTCEPSS rescore
- 2026-07-23 03:22 UTCEG score recompute
- 2026-07-22 14:08 UTCEPSS rescore
- 2026-07-22 14:08 UTCEPSS rescore
- 2026-07-21 15:25 UTCEPSS rescore
- 2026-07-21 15:25 UTCEPSS rescore
- 2026-07-20 17:08 UTCEPSS rescore
- 2026-07-19 14:31 UTCEPSS rescore
- 2026-07-19 02:29 UTCEPSS rescore
- 2026-07-18 10:04 UTCEPSS rescore
- 2026-07-16 17:03 UTCEPSS rescore
- 2026-07-15 16:57 UTCEPSS rescore
- 2026-07-15 02:00 UTCEPSS rescore
- 2026-07-13 22:31 UTCEPSS rescore
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- 2026-07-12 05:46 UTCEPSS rescore
- 2026-07-11 08:27 UTCEPSS rescore
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- 2026-07-09 19:10 UTCEPSS rescore
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- 2026-07-08 15:16 UTCEPSS rescore
- 2026-07-08 15:16 UTCEPSS rescore
- 2026-07-07 13:46 UTCEPSS rescore
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- 2026-07-06 16:27 UTCEPSS rescore
- 2026-07-06 16:27 UTCEPSS rescore
- 2026-07-06 02:23 UTCEPSS rescore
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- 2026-07-05 02:31 UTCEPSS rescore
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- 2026-07-04 06:31 UTCEPSS rescore
- 2026-07-04 06:31 UTCEPSS rescore
- 2026-07-01 15:07 UTCEPSS rescore
- 2026-07-01 14:37 UTCVendor advisory
- 2026-06-30 23:22 UTCEPSS rescore
- 2026-06-29 19:58 UTCVendor advisory
- 2026-06-29 19:58 UTCGHSA enrichment
- 2026-06-29 15:53 UTCVendor advisory
- 2026-06-29 15:53 UTCGHSA enrichment
- 2026-06-29 14:06 UTCEPSS rescore
- 2026-06-29 01:07 UTCVendor advisory
- 2026-06-29 01:07 UTCGHSA enrichment
- 2026-06-28 14:07 UTCEPSS rescore
- 2026-06-28 11:43 UTCVendor advisory
- 2026-06-28 11:42 UTCGHSA enrichment
- 2026-06-28 07:38 UTCVendor advisory
- 2026-06-28 07:37 UTCGHSA enrichment
- 2026-06-28 04:56 UTCEPSS rescore
- 2026-06-28 03:18 UTCVendor advisory
- 2026-06-28 03:18 UTCGHSA enrichment
- 2026-06-27 23:13 UTCVendor advisory
- 2026-06-27 23:13 UTCGHSA enrichment
- 2026-06-27 19:01 UTCVendor advisory
- 2026-06-27 19:01 UTCGHSA enrichment
- 2026-06-27 11:28 UTCVendor advisory
- 2026-06-27 11:28 UTCGHSA enrichment
- 2026-06-27 07:08 UTCVendor advisory
- 2026-06-27 07:08 UTCGHSA enrichment
- 2026-06-27 03:08 UTCEPSS rescore
- 2026-06-26 22:58 UTCVendor advisory
- 2026-06-26 22:58 UTCGHSA enrichment
- 2026-06-26 18:47 UTCVendor advisory
- 2026-06-26 18:47 UTCGHSA enrichment
- 2026-06-26 02:54 UTCVendor advisory
- 2026-06-26 02:54 UTCGHSA enrichment
- 2026-06-25 20:55 UTCVendor advisory
- 2026-06-25 20:55 UTCGHSA enrichment
- 2026-06-25 16:45 UTCVendor advisory
- 2026-06-25 16:45 UTCGHSA enrichment
- 2026-06-25 13:50 UTCEPSS rescore
- 2026-06-25 12:31 UTCVendor advisory
- 2026-06-25 12:31 UTCGHSA enrichment
- 2026-06-24 14:05 UTCEPSS rescore
- 2026-06-23 21:33 UTCEPSS rescore
- 2026-06-22 14:25 UTCEPSS rescore
- 2026-06-22 14:25 UTCEPSS rescore
- 2026-06-21 14:56 UTCEPSS rescore
- 2026-06-21 14:56 UTCEPSS rescore
- 2026-06-21 01:59 UTCEPSS rescore
- 2026-06-21 01:59 UTCEPSS rescore
- 2026-06-19 19:26 UTCEPSS rescore
- 2026-06-19 19:26 UTCEPSS rescore
- 2026-06-18 17:52 UTCEPSS rescore
- 2026-06-18 17:52 UTCEPSS rescore
- 2026-06-18 03:45 UTCVendor advisory
- 2026-06-18 03:45 UTCGHSA enrichment
- 2026-06-17 23:39 UTCVendor advisory
- 2026-06-17 23:39 UTCGHSA enrichment
- 2026-06-17 19:25 UTCVendor advisory
- 2026-06-17 19:25 UTCGHSA enrichment
- 2026-06-17 17:53 UTCEPSS rescore
- 2026-06-17 14:02 UTCVendor advisory
- 2026-06-17 14:02 UTCGHSA enrichment
- 2026-06-17 09:58 UTCVendor advisory
- 2026-06-17 09:57 UTCGHSA enrichment
- 2026-06-17 05:43 UTCVendor advisory
- 2026-06-17 05:43 UTCGHSA enrichment
- 2026-06-17 01:38 UTCVendor advisory
- 2026-06-17 01:37 UTCGHSA enrichment
Related CVEs(same vendor + same CWE)
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Frequently asked(5)
What is CVE-2026-7374?
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Dependency Blast Radius
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