# RHSA-2026:67979: microcode_ctl security update

RHSA-2026:67979, released August 11, 2026, fixes 2 CVEs in microcode_ctl (version 20260812-0.el10_2). None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2026-67979
- Platform: Linux
- Released: Aug 11, 2026
- Priority: High (Closes CVE-2025-35973, high severity)
- CVEs: 2, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2026:67979

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [microcode_ctl](https://patchblox.com/security/data/product/linux/microcode-ctl.md) | RHEL 10 | 20260812-0.el10_2 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2025-35973](https://patchblox.com/security/data/cve/CVE-2025-35973.md) | High | microcode_ctl: The microcode_ctl packages provide microcode updates for Intel and AMD processors.  Security Fix(es):  * kernel: hype... | 7.2 | 0.0010 |  |
| [CVE-2025-31936](https://patchblox.com/security/data/cve/CVE-2025-31936.md) | High | microcode_ctl: The microcode_ctl packages provide microcode updates for Intel and AMD processors.  Security Fix(es):  * kernel: hype... | 7.2 | 0.0010 |  |

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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo