CVE-2023-26369

CRITICALNVD 7.89.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2023-09-14), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 7.8 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, ghsa, nvd
Trending — 4 sources updated this weekExploited in the wild
9.0EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS PROB: 7%CVSS: 7.8Exploit: cisa kev · ssvc activeExposed: 0

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

Acrobat Reader versions 23.003.20284 (and earlier), 20.005.30516 (and earlier) and 20.005.30514 (and earlier) are affected by an out-of-bounds write vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

CVSS v3
7.8
EG Score
9.0(high)
EG Risk
81(Attend)
EG Risk 81/100SSVC: Attend

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
Severity90% × 45%
Exploitation100% × 40%
Automatability0% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
7%
EPSS %ILE
94%
KEV
⚠ Exploited

Published

September 13, 2023

Last Modified

October 23, 2025

Advisory Details (1)

Auto-updated Jun 3, 2026
⚠️ Active exploitation confirmed. Patch available. Sources: cisa.
cisa Patch Available🔴 Active Exploitation

Known Exploited Vulnerabilities Catalog | CISA

Known Exploited Vulnerabilities Catalog | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-26369

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 64× in last 7d / 258× 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 624 total refreshes for this CVE.

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

Frequently asked(6)

What is CVE-2023-26369?
CVE-2023-26369 is a critical vulnerability published on September 13, 2023. Acrobat Reader versions 23.003.20284 (and earlier), 20.005.30516 (and earlier) and 20.005.30514 (and earlier) are affected by an out-of-bounds write vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction…
When was CVE-2023-26369 disclosed?
CVE-2023-26369 was first published in the National Vulnerability Database on September 13, 2023, with the most recent update on October 23, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-26369 actively exploited?
Yes. CISA added CVE-2023-26369 to the Known Exploited Vulnerabilities catalog on September 14, 2023, affecting Adobe Acrobat and Reader. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2023-26369?
CVE-2023-26369 has a CVSS v3 base score of 7.8 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.
Which products are affected by CVE-2023-26369?
CVE-2023-26369 affects Adobe Acrobat and Reader. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.
How do I remediate CVE-2023-26369?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-26369, 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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