# RHSA-2026:64773: libvirt security update

RHSA-2026:64773, released July 30, 2026, fixes 1 CVE in libvirt (version 10.10.0-8.11.el10_0). None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2026-64773
- Platform: Linux
- Released: Jul 30, 2026
- Priority: High (Closes CVE-2026-63622, high severity)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2026:64773

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [libvirt](https://patchblox.com/security/data/product/linux/libvirt.md) | RHEL 10 | 10.10.0-8.11.el10_0 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-63622](https://patchblox.com/security/data/cve/CVE-2026-63622.md) | High | libvirt: A flaw was found in libvirt | 7.8 | 0.0014 |  |

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Data as of 2026-11-07T12:40:37Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo