CVE-2026-7270

HIGHNVD 7.87.8—
EchelonGraph scoreMEDIUM confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2026-04-30. NVD baseline CVSS 7.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
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.

An operator precedence bug in the kernel results in a scenario where a buffer overflow causes attacker-controlled data to overwrite adjacent execve(2) argument buffers.

The bug may be exploitable by an unprivileged user to obtain superuser privileges.

CVSS v3
7.8
EG Score
7.8(medium)
EG Risk
35(Track)
EG Risk 35/100SSVC: 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%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
8%
KEV
Not listed

Published

April 30, 2026

Last Modified

May 10, 2026

Advisory Details (1)

Auto-updated Apr 30, 2026
No patch confirmed yet.
generic
https://security.freebsd.org/advisories/FreeBSD-SA-26:13.exec.asc

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 5× 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.

Showing the most recent 100 of 191 total refreshes for this CVE.

  1. 2026-09-15 03:12 UTCEPSS rescore
  2. 2026-09-15 03:12 UTCEPSS rescore
  3. 2026-09-11 14:53 UTCEPSS rescore
  4. 2026-09-11 14:53 UTCEPSS rescore
  5. 2026-09-08 22:01 UTCEPSS rescore
  6. 2026-09-06 13:48 UTCEPSS rescore
  7. 2026-09-04 05:07 UTCEPSS rescore
  8. 2026-09-02 14:12 UTCEPSS rescore
  9. 2026-09-01 13:54 UTCEPSS rescore
  10. 2026-09-01 04:40 UTCEPSS rescore
  11. 2026-09-01 04:40 UTCEPSS rescore
  12. 2026-08-30 19:18 UTCEPSS rescore
  13. 2026-08-30 19:17 UTCEPSS rescore
  14. 2026-08-30 01:22 UTCEPSS rescore
  15. 2026-08-28 21:42 UTCEPSS rescore
  16. 2026-08-27 14:25 UTCEPSS rescore
  17. 2026-08-26 14:47 UTCEPSS rescore
  18. 2026-08-25 13:49 UTCEPSS rescore
  19. 2026-08-24 14:18 UTCEPSS rescore
  20. 2026-08-21 23:49 UTCEPSS rescore
  21. 2026-08-20 22:56 UTCEPSS rescore
  22. 2026-08-19 17:04 UTCEPSS rescore
  23. 2026-08-18 13:49 UTCEPSS rescore
  24. 2026-08-18 13:49 UTCEPSS rescore
  25. 2026-08-17 13:50 UTCEG score recompute
Show 75 more
  1. 2026-08-17 13:50 UTCGHSA enrichment
  2. 2026-08-17 13:47 UTCEPSS rescore
  3. 2026-08-16 14:56 UTCEPSS rescore
  4. 2026-08-16 14:56 UTCEPSS rescore
  5. 2026-08-16 05:23 UTCEG score recompute
  6. 2026-08-16 05:23 UTCGHSA enrichment
  7. 2026-08-16 02:15 UTCEPSS rescore
  8. 2026-08-15 01:31 UTCEPSS rescore
  9. 2026-08-14 15:26 UTCGHSA enrichment
  10. 2026-08-14 03:51 UTCEG score recompute
  11. 2026-08-14 03:51 UTCGHSA enrichment
  12. 2026-08-13 22:00 UTCEPSS rescore
  13. 2026-08-13 06:44 UTCGHSA enrichment
  14. 2026-08-12 17:28 UTCEG score recompute
  15. 2026-08-12 17:28 UTCGHSA enrichment
  16. 2026-08-12 13:51 UTCEPSS rescore
  17. 2026-08-11 16:27 UTCEG score recompute
  18. 2026-08-11 16:27 UTCGHSA enrichment
  19. 2026-08-11 13:43 UTCEPSS rescore
  20. 2026-08-11 01:52 UTCEG score recompute
  21. 2026-08-11 01:52 UTCGHSA enrichment
  22. 2026-08-11 00:00 UTCEPSS rescore
  23. 2026-08-10 13:59 UTCGHSA enrichment
  24. 2026-08-10 02:12 UTCGHSA enrichment
  25. 2026-08-09 14:37 UTCEG score recompute
  26. 2026-08-09 14:37 UTCGHSA enrichment
  27. 2026-08-09 13:47 UTCEPSS rescore
  28. 2026-08-09 03:02 UTCEG score recompute
  29. 2026-08-09 03:02 UTCGHSA enrichment
  30. 2026-08-08 16:37 UTCEPSS rescore
  31. 2026-08-08 13:41 UTCGHSA enrichment
  32. 2026-08-08 01:54 UTCEG score recompute
  33. 2026-08-08 01:54 UTCGHSA enrichment
  34. 2026-08-07 14:20 UTCGHSA enrichment
  35. 2026-08-07 02:44 UTCEG score recompute
  36. 2026-08-07 02:44 UTCGHSA enrichment
  37. 2026-08-06 13:47 UTCEPSS rescore
  38. 2026-08-06 10:15 UTCGHSA enrichment
  39. 2026-08-05 22:40 UTCEG score recompute
  40. 2026-08-05 22:40 UTCGHSA enrichment
  41. 2026-08-05 19:17 UTCEPSS rescore
  42. 2026-08-05 19:17 UTCEPSS rescore
  43. 2026-08-04 15:10 UTCEPSS rescore
  44. 2026-08-04 10:39 UTCEPSS rescore
  45. 2026-08-03 20:29 UTCEG score recompute
  46. 2026-08-03 20:29 UTCGHSA enrichment
  47. 2026-08-03 10:36 UTCEPSS rescore
  48. 2026-08-02 17:25 UTCGHSA enrichment
  49. 2026-08-02 05:50 UTCEG score recompute
  50. 2026-08-02 05:50 UTCGHSA enrichment
  51. 2026-08-02 02:27 UTCEPSS rescore
  52. 2026-08-01 04:16 UTCEPSS rescore
  53. 2026-07-30 16:28 UTCEPSS rescore
  54. 2026-07-30 01:30 UTCEPSS rescore
  55. 2026-07-28 15:37 UTCEPSS rescore
  56. 2026-07-27 14:14 UTCEPSS rescore
  57. 2026-07-26 14:54 UTCEPSS rescore
  58. 2026-07-25 14:18 UTCEPSS rescore
  59. 2026-07-24 14:18 UTCEPSS rescore
  60. 2026-07-23 14:18 UTCEPSS rescore
  61. 2026-07-23 14:18 UTCEPSS rescore
  62. 2026-07-23 03:22 UTCEG score recompute
  63. 2026-07-22 14:08 UTCEPSS rescore
  64. 2026-07-22 14:08 UTCEPSS rescore
  65. 2026-07-20 17:08 UTCEPSS rescore
  66. 2026-07-19 14:31 UTCEPSS rescore
  67. 2026-07-19 02:29 UTCEPSS rescore
  68. 2026-07-18 10:04 UTCEPSS rescore
  69. 2026-07-16 17:03 UTCEPSS rescore
  70. 2026-07-15 16:57 UTCEPSS rescore
  71. 2026-07-15 02:00 UTCEPSS rescore
  72. 2026-07-13 22:31 UTCEPSS rescore
  73. 2026-07-13 06:13 UTCEPSS rescore
  74. 2026-07-12 05:46 UTCEPSS rescore
  75. 2026-07-11 08:27 UTCEPSS rescore

Frequently asked(5)

What is CVE-2026-7270?
CVE-2026-7270 is a high vulnerability published on April 30, 2026. An operator precedence bug in the kernel results in a scenario where a buffer overflow causes attacker-controlled data to overwrite adjacent execve(2) argument buffers. The bug may be exploitable by an unprivileged user to obtain superuser privileges.
When was CVE-2026-7270 disclosed?
CVE-2026-7270 was first published in the National Vulnerability Database on April 30, 2026, with the most recent update on May 10, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-7270 actively exploited?
CVE-2026-7270 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 92.4% of all scored CVEs.
What is the CVSS score of CVE-2026-7270?
CVE-2026-7270 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2026-7270?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-7270, 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.

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