CVE-2026-74296

HIGHPre-NVD 7.87.8—
EchelonGraph scoreHIGH confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2026-08-15. a secondary CVSS source baseline 7.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 5 sources updated this week
7.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.8Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

In the Linux kernel, the following vulnerability has been resolved:

RDMA/mlx5: Release the HW‑provided UAR index rather than the SW one

Free the UAR index returned by the hardware.

CVSS v3
7.8
EG Score
7.8(high)
EG Risk
40(Track)
EG Risk 40/100SSVC: 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 computed
Severity78% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
3%
KEV
Not listed

Published

August 15, 2026

Last Modified

August 17, 2026

Advisory Details (6)

Auto-updated Aug 17, 2026
No patch confirmed yet.
generic

RDMA/mlx5: Release the HW‑provided UAR index rather than the SW one - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/ef369446f62903ea079e8a7954b5bf8bb8300fe3
generic

RDMA/mlx5: Release the HW‑provided UAR index rather than the SW one - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/d3ff718c0c7153e2641e6a09507bace14fc5c402
generic

RDMA/mlx5: Release the HW‑provided UAR index rather than the SW one - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/aabfc845838ef453f1d22d7665596f9cc48be7dd
generic

RDMA/mlx5: Release the HW‑provided UAR index rather than the SW one - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/80f1f49f53a42733e60c90e0ec545e647969214d
generic

RDMA/mlx5: Release the HW‑provided UAR index rather than the SW one - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/6f83de384ca582fa87b4c2b0d03bd1ed3bf9a2ee
generic

RDMA/mlx5: Release the HW‑provided UAR index rather than the SW one - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/449ae7927152e46acbe5f19f97eafdae6d3a96b1

Vendor Advisories for CVE-2026-74296(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Data Freshness Timeline

(refreshed 29× in last 7d / 29× 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.

  1. 2026-08-20 22:46 UTCGHSA enrichment
  2. 2026-08-20 11:45 UTCGHSA enrichment
  3. 2026-08-20 00:42 UTCEG score recompute
  4. 2026-08-20 00:42 UTCGHSA enrichment
  5. 2026-08-19 17:04 UTCEPSS rescore
  6. 2026-08-19 13:40 UTCGHSA enrichment
  7. 2026-08-19 02:38 UTCGHSA enrichment
  8. 2026-08-18 15:35 UTCEG score recompute
  9. 2026-08-18 15:35 UTCGHSA enrichment
  10. 2026-08-18 13:49 UTCEPSS rescore
  11. 2026-08-18 13:49 UTCEPSS rescore
  12. 2026-08-18 04:21 UTCGHSA enrichment
  13. 2026-08-17 17:21 UTCEG score recompute
  14. 2026-08-17 17:21 UTCGHSA enrichment
  15. 2026-08-17 13:47 UTCEPSS rescore
  16. 2026-08-17 06:22 UTCEG score recompute
  17. 2026-08-17 06:22 UTCGHSA enrichment
  18. 2026-08-17 05:56 UTCEG score recompute▲ 7.80
  19. 2026-08-17 05:56 UTCGHSA enrichment
  20. 2026-08-17 05:54 UTCMITRE cvelistV5CVSS v3 → 7.8 · severity → HIGH
  21. 2026-08-17 05:27 UTCEG score recompute
  22. 2026-08-17 05:27 UTCGHSA enrichment
  23. 2026-08-17 05:24 UTCMITRE cvelistV5
  24. 2026-08-16 14:56 UTCEPSS rescore
  25. 2026-08-16 14:56 UTCEPSS rescore
Show 4 more
  1. 2026-08-16 02:15 UTCEPSS rescore
  2. 2026-08-15 06:23 UTCNVD update
  3. 2026-08-15 06:16 UTCEG score recompute
  4. 2026-08-15 06:12 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-74296?
CVE-2026-74296 is a high vulnerability published on August 15, 2026. In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx5: Release the HW‑provided UAR index rather than the SW one Free the UAR index returned by the hardware.
When was CVE-2026-74296 disclosed?
CVE-2026-74296 was first published in the National Vulnerability Database on August 15, 2026, with the most recent update on August 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-74296 actively exploited?
CVE-2026-74296 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 97.0% of all scored CVEs.
What is the CVSS score of CVE-2026-74296?
CVE-2026-74296 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2026-74296?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-74296, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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