CVE-2026-57239

HIGHNVD 7.88.2▲
EchelonGraph scoreMEDIUM confidence

Score 8.2 from GitHub Security Advisory (severity: HIGH) published 2026-07-08. NVD baseline CVSS 7.8; sources differ by 0.4.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 3 sources updated this weekElevated
8.2EG
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: Elevated riskExposed: 0

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

The user-controllable executable files will be directly executed by high-privilege processes, allowing low-privilege users to have the opportunity to elevate their privileges to NT AUTHORITY\SYSTEM.

CVSS v3
7.8
EG Score
8.2(medium)
EG Risk
53(Track)
EG Risk 53/100SSVC: 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
Severity82% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
6%
KEV
Not listed

Published

July 8, 2026

Last Modified

July 9, 2026

Advisory Details (1)

Auto-updated Jul 8, 2026
No patch confirmed yet.
generic

Security Bulletins | Foxit

https://www.foxit.com/support/security-bulletins.html

Vendor Advisories for CVE-2026-57239(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 23× in last 7d / 111× 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 164 total refreshes for this CVE.

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

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 GitHub PoC). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • GitHub PoCParadoxis/CVE-2026-57239
    First seen Jul 8, 2026

    Proof of concept exploit for CVE-2026-3775/CVE-2026-3780 and CVE-2026-57239 which lets you obtain NT AUTHORITY\SYSTEM rights via the Foxit PDF Reader updater service.

    Open source ↗

Frequently asked(5)

What is CVE-2026-57239?
CVE-2026-57239 is a high vulnerability published on July 8, 2026. The user-controllable executable files will be directly executed by high-privilege processes, allowing low-privilege users to have the opportunity to elevate their privileges to NT AUTHORITY\SYSTEM.
When was CVE-2026-57239 disclosed?
CVE-2026-57239 was first published in the National Vulnerability Database on July 8, 2026, with the most recent update on July 9, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-57239 actively exploited?
CVE-2026-57239 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 93.6% of all scored CVEs.
What is the CVSS score of CVE-2026-57239?
CVE-2026-57239 has a CVSS v3 base score of 7.8 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 8.2.
How do I remediate CVE-2026-57239?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-57239, 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-2026-57239

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