# RHSA-2026:4652: grub2 security update

RHSA-2026:4652, released November 18, 2025, fixes 1 CVE in grub2 (version 2.12-15.el10_0.2). None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2026-4652
- Platform: Linux
- Released: Nov 18, 2025
- Priority: High (Closes CVE-2025-61662, high severity)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2026:4652

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [grub2](https://patchblox.com/security/data/product/linux/grub2.md) | RHEL 10 | 2.12-15.el10_0.2 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2025-61662](https://patchblox.com/security/data/cve/CVE-2025-61662.md) | High | Grub2: missing unregister call for gettext command may lead to use-after-free | 7.8 | 0.0022 |  |

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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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo