CVE-2026-74258

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:

bpf: Guard __get_user acesss with access_ok for uprobe_multi data

As reported by sashiko [1] we need to use access_ok to check the user space data bounds before we use __get-user to get it.

[1] https://lore.kernel.org/bpf/[email protected]/

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
5%
KEV
Not listed

Published

August 15, 2026

Last Modified

August 17, 2026

Advisory Details (2)

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

bpf: Guard __get_user acesss with access_ok for uprobe_multi data - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/c6d51ad36490013ee9df94a372d3bf794bd304d1
generic

bpf: Guard __get_user acesss with access_ok for uprobe_multi data - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/4d87a251d45b4a95eb4c0abcfab809c9f231258a

Vendor Advisories for CVE-2026-74258(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 22:56 UTCEPSS rescore
  2. 2026-08-20 20:46 UTCGHSA enrichment
  3. 2026-08-20 08:29 UTCGHSA enrichment
  4. 2026-08-19 20:11 UTCEG score recompute
  5. 2026-08-19 20:11 UTCGHSA enrichment
  6. 2026-08-19 17:04 UTCEPSS rescore
  7. 2026-08-19 07:51 UTCGHSA enrichment
  8. 2026-08-18 19:34 UTCEG score recompute
  9. 2026-08-18 19:34 UTCGHSA enrichment
  10. 2026-08-18 13:49 UTCEPSS rescore
  11. 2026-08-18 13:49 UTCEPSS rescore
  12. 2026-08-18 07:16 UTCGHSA enrichment
  13. 2026-08-17 18:58 UTCEG score recompute
  14. 2026-08-17 18:58 UTCGHSA enrichment
  15. 2026-08-17 13:47 UTCEPSS rescore
  16. 2026-08-17 06:27 UTCEG score recompute
  17. 2026-08-17 06:27 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 05:28 UTCEG score recompute
  22. 2026-08-17 05:28 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 06:17 UTCEG score recompute
  4. 2026-08-15 06:12 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-74258?
CVE-2026-74258 is a high vulnerability published on August 15, 2026. In the Linux kernel, the following vulnerability has been resolved: bpf: Guard getuser acesss with accessok for uprobe_multi data As reported by sashiko [1] we need to use access_ok to check the user space data bounds before we use get-user to get it. [1]…
When was CVE-2026-74258 disclosed?
CVE-2026-74258 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-2026-74258 actively exploited?
CVE-2026-74258 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 94.9% of all scored CVEs.
What is the CVSS score of CVE-2026-74258?
CVE-2026-74258 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2026-74258?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-74258, 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

Explore the affected products and dependency analysis for CVE-2026-74258

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