CVE-2026-81973

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-2026-81973(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 27× in last 7d / 72× 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 06:40 UTCGHSA enrichment
  2. 2026-09-24 19:00 UTCEG score recompute
  3. 2026-09-24 19:00 UTCGHSA enrichment
  4. 2026-09-24 14:04 UTCEPSS rescore
  5. 2026-09-24 07:19 UTCGHSA enrichment
  6. 2026-09-23 19:39 UTCEG score recompute
  7. 2026-09-23 19:39 UTCGHSA enrichment
  8. 2026-09-23 17:54 UTCEPSS rescore
  9. 2026-09-23 07:30 UTCGHSA enrichment
  10. 2026-09-22 19:50 UTCEG score recompute
  11. 2026-09-22 19:50 UTCGHSA enrichment
  12. 2026-09-22 16:01 UTCEPSS rescore
  13. 2026-09-22 08:10 UTCEG score recompute
  14. 2026-09-22 08:09 UTCGHSA enrichment
  15. 2026-09-21 21:09 UTCEPSS rescore
  16. 2026-09-21 20:29 UTCGHSA enrichment
  17. 2026-09-21 08:48 UTCGHSA enrichment
  18. 2026-09-20 20:48 UTCEG score recompute
  19. 2026-09-20 20:48 UTCGHSA enrichment
  20. 2026-09-20 20:16 UTCEPSS rescore
  21. 2026-09-20 09:08 UTCGHSA enrichment
  22. 2026-09-19 21:27 UTCEG score recompute
  23. 2026-09-19 21:27 UTCGHSA enrichment
  24. 2026-09-19 09:47 UTCGHSA enrichment
  25. 2026-09-18 21:55 UTCEG score recompute
Show 47 more
  1. 2026-09-18 21:55 UTCGHSA enrichment
  2. 2026-09-18 19:28 UTCEPSS rescore
  3. 2026-09-18 10:15 UTCGHSA enrichment
  4. 2026-09-17 22:35 UTCEG score recompute
  5. 2026-09-17 22:35 UTCGHSA enrichment
  6. 2026-09-17 10:51 UTCGHSA enrichment
  7. 2026-09-16 23:11 UTCEG score recompute
  8. 2026-09-16 23:11 UTCGHSA enrichment
  9. 2026-09-16 14:08 UTCEPSS rescore
  10. 2026-09-16 11:30 UTCEG score recompute
  11. 2026-09-16 11:30 UTCGHSA enrichment
  12. 2026-09-16 05:15 UTCEPSS rescore
  13. 2026-09-15 23:49 UTCGHSA enrichment
  14. 2026-09-15 12:06 UTCEG score recompute
  15. 2026-09-15 12:06 UTCGHSA enrichment
  16. 2026-09-15 03:12 UTCEPSS rescore
  17. 2026-09-15 03:12 UTCEPSS rescore
  18. 2026-09-15 00:25 UTCGHSA enrichment
  19. 2026-09-14 12:45 UTCGHSA enrichment
  20. 2026-09-14 01:05 UTCEG score recompute
  21. 2026-09-14 01:05 UTCGHSA enrichment
  22. 2026-09-13 13:25 UTCGHSA enrichment
  23. 2026-09-13 01:45 UTCEG score recompute
  24. 2026-09-13 01:45 UTCGHSA enrichment
  25. 2026-09-12 14:05 UTCGHSA enrichment
  26. 2026-09-12 02:25 UTCEG score recompute
  27. 2026-09-12 02:25 UTCGHSA enrichment
  28. 2026-09-11 14:53 UTCEPSS rescore
  29. 2026-09-11 14:53 UTCEPSS rescore
  30. 2026-09-11 14:45 UTCEG score recompute
  31. 2026-09-11 14:45 UTCGHSA enrichment
  32. 2026-09-11 03:04 UTCGHSA enrichment
  33. 2026-09-10 15:24 UTCEG score recompute
  34. 2026-09-10 15:24 UTCGHSA enrichment
  35. 2026-09-10 03:42 UTCGHSA enrichment
  36. 2026-09-09 16:02 UTCGHSA enrichment
  37. 2026-09-09 10:25 UTCEG score recompute
  38. 2026-09-09 10:25 UTCGHSA enrichment
  39. 2026-09-09 10:00 UTCEG score recompute
  40. 2026-09-09 10:00 UTCGHSA enrichment
  41. 2026-09-09 05:25 UTCEG score recompute
  42. 2026-09-09 05:25 UTCGHSA enrichment
  43. 2026-09-09 04:27 UTCEG score recompute
  44. 2026-09-09 04:27 UTCGHSA enrichment
  45. 2026-09-08 21:33 UTCEG score recompute
  46. 2026-09-08 20:35 UTCEG score recompute
  47. 2026-09-08 20:34 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-81973?
CVE-2026-81973 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-2026-81973 disclosed?
CVE-2026-81973 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-2026-81973 actively exploited?
CVE-2026-81973 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-2026-81973?
CVE-2026-81973 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2026-81973?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-81973, 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

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