CVE-2026-47940

HIGHPre-NVD 7.87.8
EchelonGraph scoreMEDIUM confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2026-08-11. 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.

Lightroom Classic is affected by an Integer Overflow or Wraparound 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(medium)
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
8%
KEV
Not listed

Published

August 11, 2026

Last Modified

August 28, 2026

Vendor Advisories for CVE-2026-47940(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 21× in last 7d / 100× 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 148 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-47940?
CVE-2026-47940 is a high vulnerability published on August 11, 2026. Lightroom Classic is affected by an Integer Overflow or Wraparound 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-2026-47940 disclosed?
CVE-2026-47940 was first published in the National Vulnerability Database on August 11, 2026, with the most recent update on August 28, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-47940 actively exploited?
CVE-2026-47940 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 92.0% of all scored CVEs.
What is the CVSS score of CVE-2026-47940?
CVE-2026-47940 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2026-47940?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-47940, 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-2026-47940

Explore →

Is Your Infrastructure Affected by CVE-2026-47940?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.