CVE-2026-24812

CRITICALNVD 9.39.3—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.3 under NVD CVSS v3. EPSS exploit probability: 0.3%, top 79% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
9.3EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 9.3Exploit: None knownExposed: 0

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

Vulnerability in root-project root (builtins/zlib modules). This vulnerability is associated with program files inftrees.C.

This issue affects root: through 6.36.00-rc1.

CVSS v3
9.3
EG Score
9.3(medium)
EG Risk
57(Track)
EG Risk 57/100SSVC: 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
Severity93% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
21%
KEV
Not listed

Published

January 27, 2026

Last Modified

June 17, 2026

Advisory Details (2)

Auto-updated Aug 1, 2026
🔬 Proof of concept available. Upstream fix merged — awaiting tagged release. Sources: github_pr.
generic🟡 PoC Available

Recent Common Vulnerabilities: does ROOT need to be updated? - ROOT

https://root.cern/blog/recent-common-vulnerabilities-when-does-ROOT-need-to-be-updated/
github_pr

[zlib-table] Fix potential vulnerable cloned functions

Fix merged in root-project/root PR #18527 on 2025-05-05 — awaiting tagged release

https://github.com/root-project/root/pull/18527

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 9× in last 7d / 45× 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 134 total refreshes for this CVE.

  1. 2026-08-01 04:16 UTCEPSS rescore
  2. 2026-07-31 11:42 UTCOSV refresh
  3. 2026-07-30 16:27 UTCEPSS rescore
  4. 2026-07-30 01:30 UTCEPSS rescore
  5. 2026-07-27 14:13 UTCEPSS rescore
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  8. 2026-07-25 14:17 UTCEPSS rescore
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  10. 2026-07-24 14:17 UTCEPSS rescore
  11. 2026-07-23 14:18 UTCEPSS rescore
  12. 2026-07-23 14:18 UTCEPSS rescore
  13. 2026-07-23 03:07 UTCEG score recompute
  14. 2026-07-22 14:08 UTCEPSS rescore
  15. 2026-07-21 15:24 UTCEPSS rescore
  16. 2026-07-21 15:24 UTCEPSS rescore
  17. 2026-07-20 17:08 UTCEPSS rescore
  18. 2026-07-19 14:31 UTCEPSS rescore
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  20. 2026-07-19 02:29 UTCEPSS rescore
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  22. 2026-07-18 10:04 UTCEPSS rescore
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  24. 2026-07-16 17:03 UTCEPSS rescore
  25. 2026-07-16 17:03 UTCEPSS rescore
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  1. 2026-07-15 16:57 UTCEPSS rescore
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  3. 2026-07-15 02:00 UTCEPSS rescore
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  5. 2026-07-13 22:30 UTCEPSS rescore
  6. 2026-07-13 19:08 UTCOSV refresh
  7. 2026-07-13 06:13 UTCEPSS rescore
  8. 2026-07-13 06:13 UTCEPSS rescore
  9. 2026-07-12 05:46 UTCEPSS rescore
  10. 2026-07-12 05:46 UTCEPSS rescore
  11. 2026-07-11 08:27 UTCEPSS rescore
  12. 2026-07-09 19:10 UTCEPSS rescore
  13. 2026-07-08 15:15 UTCEPSS rescore
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  15. 2026-07-07 13:46 UTCEPSS rescore
  16. 2026-07-06 16:27 UTCEPSS rescore
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  18. 2026-07-06 02:23 UTCEPSS rescore
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  20. 2026-07-05 02:30 UTCEPSS rescore
  21. 2026-07-01 15:06 UTCEPSS rescore
  22. 2026-07-01 15:06 UTCEPSS rescore
  23. 2026-06-30 23:22 UTCEPSS rescore
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  25. 2026-06-29 14:06 UTCEPSS rescore
  26. 2026-06-28 14:07 UTCEPSS rescore
  27. 2026-06-28 14:07 UTCEPSS rescore
  28. 2026-06-28 04:56 UTCEPSS rescore
  29. 2026-06-28 04:56 UTCEPSS rescore
  30. 2026-06-27 03:08 UTCEPSS rescore
  31. 2026-06-25 16:46 UTCOSV refresh
  32. 2026-06-25 13:49 UTCEPSS rescore
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  34. 2026-06-24 14:05 UTCEPSS rescore
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  36. 2026-06-23 21:33 UTCEPSS rescore
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  38. 2026-06-22 14:25 UTCEPSS rescore
  39. 2026-06-22 14:25 UTCEPSS rescore
  40. 2026-06-21 14:56 UTCEPSS rescore
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  42. 2026-06-21 01:59 UTCEPSS rescore
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  44. 2026-06-19 19:25 UTCEPSS rescore
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  46. 2026-06-18 17:52 UTCEPSS rescore
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  48. 2026-06-17 17:53 UTCEPSS rescore
  49. 2026-06-16 17:52 UTCEPSS rescore
  50. 2026-06-15 17:48 UTCEPSS rescore
  51. 2026-06-14 23:18 UTCEPSS rescore
  52. 2026-06-13 23:00 UTCEPSS rescore
  53. 2026-06-12 23:12 UTCEPSS rescore
  54. 2026-06-12 23:12 UTCEPSS rescore
  55. 2026-06-11 14:00 UTCEPSS rescore
  56. 2026-06-10 22:18 UTCEPSS rescore
  57. 2026-06-10 22:18 UTCEPSS rescore
  58. 2026-06-10 13:22 UTCEPSS rescore
  59. 2026-06-08 14:17 UTCEPSS rescore
  60. 2026-06-08 14:17 UTCEPSS rescore
  61. 2026-06-08 06:40 UTCGHSA enrichment
  62. 2026-06-08 02:36 UTCEG score recompute▲ 9.30
  63. 2026-06-08 02:36 UTCGHSA enrichment
  64. 2026-06-07 15:25 UTCEPSS rescore
  65. 2026-06-07 15:25 UTCEPSS rescore
  66. 2026-06-07 15:25 UTCEPSS rescore
  67. 2026-06-06 13:47 UTCEPSS rescore
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  69. 2026-06-05 22:47 UTCEPSS rescore
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  71. 2026-06-05 06:10 UTCEPSS rescore
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  73. 2026-06-04 13:12 UTCEPSS rescore
  74. 2026-06-04 13:12 UTCEPSS rescore
  75. 2026-06-02 20:13 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2026-24812?
CVE-2026-24812 is a critical vulnerability published on January 27, 2026. Vulnerability in root-project root (builtins/zlib modules). This vulnerability is associated with program files inftrees.C. This issue affects root: through 6.36.00-rc1.
When was CVE-2026-24812 disclosed?
CVE-2026-24812 was first published in the National Vulnerability Database on January 27, 2026, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-24812 actively exploited?
CVE-2026-24812 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 79.0% of all scored CVEs.
What is the CVSS score of CVE-2026-24812?
CVE-2026-24812 has a CVSS v3 base score of 9.3 (NVD).
How do I remediate CVE-2026-24812?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-24812, 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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