CVE-2026-79909

HIGHPre-NVD 7.87.8—
EchelonGraph scoreHIGH confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2026-09-08. a secondary CVSS source baseline 7.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
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.

Acrobat Reader is affected by a Use After Free 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
7.8(high)
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
29%
KEV
Not listed

Published

September 8, 2026

Last Modified

September 10, 2026

References (1)

Vendor Advisories for CVE-2026-79909(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 28× in last 7d / 74× 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.

  1. 2026-09-25 09:14 UTCGHSA enrichment
  2. 2026-09-24 21:57 UTCEG score recompute
  3. 2026-09-24 21:57 UTCGHSA enrichment
  4. 2026-09-24 14:04 UTCEPSS rescore
  5. 2026-09-24 10:40 UTCGHSA enrichment
  6. 2026-09-23 23:24 UTCEG score recompute
  7. 2026-09-23 23:24 UTCGHSA enrichment
  8. 2026-09-23 17:54 UTCEPSS rescore
  9. 2026-09-23 11:39 UTCGHSA enrichment
  10. 2026-09-23 00:22 UTCEG score recompute
  11. 2026-09-23 00:22 UTCGHSA enrichment
  12. 2026-09-22 16:01 UTCEPSS rescore
  13. 2026-09-22 13:05 UTCGHSA enrichment
  14. 2026-09-22 01:48 UTCEG score recompute
  15. 2026-09-22 01:48 UTCGHSA enrichment
  16. 2026-09-21 21:09 UTCEPSS rescore
  17. 2026-09-21 14:31 UTCGHSA enrichment
  18. 2026-09-21 03:14 UTCEG score recompute
  19. 2026-09-21 03:14 UTCGHSA enrichment
  20. 2026-09-20 20:16 UTCEPSS rescore
  21. 2026-09-20 15:57 UTCGHSA enrichment
  22. 2026-09-20 04:40 UTCGHSA enrichment
  23. 2026-09-19 17:23 UTCEG score recompute
  24. 2026-09-19 17:23 UTCGHSA enrichment
  25. 2026-09-19 06:06 UTCEG score recompute
Show 49 more
  1. 2026-09-19 06:06 UTCGHSA enrichment
  2. 2026-09-18 19:28 UTCEPSS rescore
  3. 2026-09-18 18:50 UTCGHSA enrichment
  4. 2026-09-18 07:33 UTCGHSA enrichment
  5. 2026-09-17 20:16 UTCEG score recompute
  6. 2026-09-17 20:16 UTCGHSA enrichment
  7. 2026-09-17 06:00 UTCGHSA enrichment
  8. 2026-09-16 18:42 UTCEG score recompute
  9. 2026-09-16 18:42 UTCGHSA enrichment
  10. 2026-09-16 14:08 UTCEPSS rescore
  11. 2026-09-16 07:25 UTCEG score recompute
  12. 2026-09-16 07:25 UTCGHSA enrichment
  13. 2026-09-16 05:15 UTCEPSS rescore
  14. 2026-09-15 20:09 UTCGHSA enrichment
  15. 2026-09-15 08:51 UTCEG score recompute
  16. 2026-09-15 08:51 UTCGHSA enrichment
  17. 2026-09-15 03:12 UTCEPSS rescore
  18. 2026-09-15 03:12 UTCEPSS rescore
  19. 2026-09-14 21:34 UTCGHSA enrichment
  20. 2026-09-14 10:13 UTCGHSA enrichment
  21. 2026-09-13 22:57 UTCEG score recompute
  22. 2026-09-13 22:57 UTCGHSA enrichment
  23. 2026-09-13 11:40 UTCGHSA enrichment
  24. 2026-09-13 00:23 UTCEG score recompute
  25. 2026-09-13 00:23 UTCGHSA enrichment
  26. 2026-09-12 13:06 UTCGHSA enrichment
  27. 2026-09-12 01:50 UTCEG score recompute
  28. 2026-09-12 01:50 UTCGHSA enrichment
  29. 2026-09-11 14:53 UTCEPSS rescore
  30. 2026-09-11 14:53 UTCEPSS rescore
  31. 2026-09-11 14:33 UTCEG score recompute
  32. 2026-09-11 14:33 UTCGHSA enrichment
  33. 2026-09-11 03:16 UTCGHSA enrichment
  34. 2026-09-10 15:59 UTCGHSA enrichment
  35. 2026-09-10 14:36 UTCEG score recompute
  36. 2026-09-10 14:36 UTCGHSA enrichment
  37. 2026-09-10 03:19 UTCGHSA enrichment
  38. 2026-09-09 16:02 UTCGHSA enrichment
  39. 2026-09-09 10:25 UTCEG score recompute
  40. 2026-09-09 10:25 UTCGHSA enrichment
  41. 2026-09-09 10:00 UTCEG score recompute
  42. 2026-09-09 10:00 UTCGHSA enrichment
  43. 2026-09-09 05:25 UTCEG score recompute
  44. 2026-09-09 05:25 UTCGHSA enrichment
  45. 2026-09-09 04:27 UTCEG score recompute
  46. 2026-09-09 04:27 UTCGHSA enrichment
  47. 2026-09-08 21:32 UTCEG score recompute
  48. 2026-09-08 20:35 UTCEG score recompute
  49. 2026-09-08 20:34 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-79909?
CVE-2026-79909 is a high vulnerability published on September 8, 2026. Acrobat Reader is affected by a Use After Free 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.
When was CVE-2026-79909 disclosed?
CVE-2026-79909 was first published in the National Vulnerability Database on September 8, 2026, with the most recent update on September 10, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-79909 actively exploited?
CVE-2026-79909 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 71.3% of all scored CVEs.
What is the CVSS score of CVE-2026-79909?
CVE-2026-79909 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2026-79909?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-79909, 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-2026-79909

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