CVE-2026-10535

HIGHNVD 7.88.4▲
EchelonGraph scoreMEDIUM confidence

Score 8.4 from GitHub Security Advisory (severity: HIGH) published 2026-07-30. NVD baseline CVSS 7.8; sources differ by 0.6.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 3 sources updated this week
8.4EG
EchelonGraph verdictPlan mitigationSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.2%CVSS: 7.8Exploit: None knownExposed services: Not assessed

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

IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.4 is vulnerable to buffer overflow in setgid helper db2flacc.

CVSS v3
7.8
EG Score
8.4HIGHmedium confidence
EG Risk
38
EG Risk 38/100CISA SSVC

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
Severity84% × 45%
Exploitation0% × 40%
Automatability0% × 15%
CISA SSVC: Track at low or medium mission impact; Track* at high (mission-essential systems).
Action: No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines, and watch the vendor's advisory for the fix.
EPSS PROB
0.2%
EPSS %ILE
4th
KEV
Not listed

CISA SSVCTrack at low or medium mission impact; Track* at high (mission-essential systems).

No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines, and watch the vendor's advisory for the fix.

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

July 30, 2026

Last Modified

August 5, 2026

Advisory Details (1)

Auto-updated Jul 30, 2026
No patch confirmed yet.
generic

Security Bulletin: IBM® Db2® is vulnerable to buffer overflow in setgid helper db2flacc which can lead to privilege escalation and instance compromise from an unprivileged shell (CVE-2026-10535)

https://www.ibm.com/support/pages/node/7279466

Vendor Advisories for CVE-2026-10535(1)

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

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 16× in last 7d / 76× 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 207 total refreshes for this CVE.

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

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Frequently asked(5)

What is CVE-2026-10535?
CVE-2026-10535 is a high vulnerability published on July 30, 2026. IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.4 is vulnerable to buffer overflow in setgid helper db2flacc.
When was CVE-2026-10535 disclosed?
CVE-2026-10535 was first published on July 30, 2026, with the most recent update on August 5, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-10535 actively exploited?
CVE-2026-10535 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.2% probability of exploitation in the next 30 days (4th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-10535?
CVE-2026-10535 has a CVSS v3 base score of 7.8 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 8.4 (HIGH).
How do I remediate CVE-2026-10535?
No fix for CVE-2026-10535 is confirmed yet. Until one is published, restrict network exposure of the affected system or apply the vendor's mitigation — for example, keep it off the internet or limit it to trusted networks — and watch the vendor's advisory for the fix. The vendor advisories EchelonGraph has for CVE-2026-10535 are linked in the Vendor Advisories panel on this page.

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