CVE-2026-81981

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 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
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
15%
KEV
Not listed

Published

September 8, 2026

Last Modified

September 10, 2026

References (1)

Vendor Advisories for CVE-2026-81981(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 / 71× 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 14:45 UTCGHSA enrichment
  2. 2026-09-25 03:11 UTCGHSA enrichment
  3. 2026-09-24 15:26 UTCEG score recompute
  4. 2026-09-24 15:26 UTCGHSA enrichment
  5. 2026-09-24 14:04 UTCEPSS rescore
  6. 2026-09-24 03:54 UTCEG score recompute
  7. 2026-09-24 03:54 UTCGHSA enrichment
  8. 2026-09-23 17:54 UTCEPSS rescore
  9. 2026-09-23 16:20 UTCGHSA enrichment
  10. 2026-09-23 04:45 UTCGHSA enrichment
  11. 2026-09-22 17:13 UTCEG score recompute
  12. 2026-09-22 17:13 UTCGHSA enrichment
  13. 2026-09-22 16:01 UTCEPSS rescore
  14. 2026-09-22 05:14 UTCEG score recompute
  15. 2026-09-22 05:14 UTCGHSA enrichment
  16. 2026-09-21 21:09 UTCEPSS rescore
  17. 2026-09-21 17:42 UTCGHSA enrichment
  18. 2026-09-21 06:10 UTCEG score recompute
  19. 2026-09-21 06:10 UTCGHSA enrichment
  20. 2026-09-20 20:16 UTCEPSS rescore
  21. 2026-09-20 18:36 UTCGHSA enrichment
  22. 2026-09-20 07:03 UTCGHSA enrichment
  23. 2026-09-19 19:00 UTCEG score recompute
  24. 2026-09-19 19:00 UTCGHSA enrichment
  25. 2026-09-19 07:27 UTCGHSA enrichment
Show 46 more
  1. 2026-09-18 19:55 UTCEG score recompute
  2. 2026-09-18 19:55 UTCGHSA enrichment
  3. 2026-09-18 19:28 UTCEPSS rescore
  4. 2026-09-18 08:22 UTCGHSA enrichment
  5. 2026-09-17 20:46 UTCEG score recompute
  6. 2026-09-17 20:46 UTCGHSA enrichment
  7. 2026-09-17 09:13 UTCGHSA enrichment
  8. 2026-09-16 21:40 UTCEG score recompute
  9. 2026-09-16 21:40 UTCGHSA enrichment
  10. 2026-09-16 14:08 UTCEPSS rescore
  11. 2026-09-16 10:06 UTCEG score recompute
  12. 2026-09-16 10:06 UTCGHSA enrichment
  13. 2026-09-16 05:15 UTCEPSS rescore
  14. 2026-09-15 22:34 UTCGHSA enrichment
  15. 2026-09-15 11:02 UTCEG score recompute
  16. 2026-09-15 11:02 UTCGHSA enrichment
  17. 2026-09-15 03:12 UTCEPSS rescore
  18. 2026-09-15 03:12 UTCEPSS rescore
  19. 2026-09-14 23:30 UTCGHSA enrichment
  20. 2026-09-14 11:24 UTCGHSA enrichment
  21. 2026-09-13 23:52 UTCEG score recompute
  22. 2026-09-13 23:52 UTCGHSA enrichment
  23. 2026-09-13 12:20 UTCGHSA enrichment
  24. 2026-09-13 00:48 UTCEG score recompute
  25. 2026-09-13 00:48 UTCGHSA enrichment
  26. 2026-09-12 13:15 UTCGHSA enrichment
  27. 2026-09-12 01:43 UTCEG score recompute
  28. 2026-09-12 01:43 UTCGHSA enrichment
  29. 2026-09-11 14:53 UTCEPSS rescore
  30. 2026-09-11 14:53 UTCEPSS rescore
  31. 2026-09-11 14:11 UTCEG score recompute
  32. 2026-09-11 14:11 UTCGHSA enrichment
  33. 2026-09-11 02:38 UTCGHSA enrichment
  34. 2026-09-10 15:06 UTCEG score recompute
  35. 2026-09-10 15:06 UTCGHSA enrichment
  36. 2026-09-10 03:34 UTCGHSA enrichment
  37. 2026-09-09 16:02 UTCGHSA enrichment
  38. 2026-09-09 14:30 UTCEG score recompute
  39. 2026-09-09 14:30 UTCGHSA enrichment
  40. 2026-09-09 13:38 UTCEG score recompute
  41. 2026-09-09 13:37 UTCGHSA enrichment
  42. 2026-09-09 09:05 UTCEG score recompute
  43. 2026-09-09 09:05 UTCGHSA enrichment
  44. 2026-09-08 21:33 UTCEG score recompute
  45. 2026-09-08 20:35 UTCEG score recompute
  46. 2026-09-08 20:34 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-81981?
CVE-2026-81981 is a high vulnerability published on September 8, 2026. Acrobat Reader is 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.
When was CVE-2026-81981 disclosed?
CVE-2026-81981 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-2026-81981 actively exploited?
CVE-2026-81981 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 84.6% of all scored CVEs.
What is the CVSS score of CVE-2026-81981?
CVE-2026-81981 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2026-81981?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-81981, 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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