CVE-2026-48409

HIGHPre-NVD 7.87.8—
EchelonGraph scoreHIGH 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 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
6%
KEV
Not listed

Published

August 11, 2026

Last Modified

August 13, 2026

References (1)

Vendor Advisories for CVE-2026-48409(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 / 49× 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. 2026-08-20 22:55 UTCEPSS rescore
  2. 2026-08-20 21:51 UTCGHSA enrichment
  3. 2026-08-20 10:56 UTCGHSA enrichment
  4. 2026-08-20 00:01 UTCEG score recompute
  5. 2026-08-20 00:01 UTCGHSA enrichment
  6. 2026-08-19 17:04 UTCEPSS rescore
  7. 2026-08-19 13:04 UTCGHSA enrichment
  8. 2026-08-19 02:09 UTCGHSA enrichment
  9. 2026-08-18 15:14 UTCEG score recompute
  10. 2026-08-18 15:14 UTCGHSA enrichment
  11. 2026-08-18 13:48 UTCEPSS rescore
  12. 2026-08-18 03:53 UTCGHSA enrichment
  13. 2026-08-17 16:57 UTCEG score recompute
  14. 2026-08-17 16:57 UTCGHSA enrichment
  15. 2026-08-17 13:47 UTCEPSS rescore
  16. 2026-08-17 06:02 UTCGHSA enrichment
  17. 2026-08-16 19:01 UTCEG score recompute
  18. 2026-08-16 19:01 UTCGHSA enrichment
  19. 2026-08-16 14:56 UTCEPSS rescore
  20. 2026-08-16 08:05 UTCEG score recompute
  21. 2026-08-16 08:05 UTCGHSA enrichment
  22. 2026-08-16 02:14 UTCEPSS rescore
  23. 2026-08-15 21:11 UTCGHSA enrichment
  24. 2026-08-15 10:16 UTCEG score recompute
  25. 2026-08-15 10:16 UTCGHSA enrichment
Show 24 more
  1. 2026-08-15 01:30 UTCEPSS rescore
  2. 2026-08-14 23:20 UTCGHSA enrichment
  3. 2026-08-14 12:25 UTCGHSA enrichment
  4. 2026-08-14 01:30 UTCEG score recompute
  5. 2026-08-14 01:30 UTCGHSA enrichment
  6. 2026-08-13 22:00 UTCEPSS rescore
  7. 2026-08-13 14:35 UTCGHSA enrichment
  8. 2026-08-13 08:16 UTCGHSA enrichment
  9. 2026-08-12 21:21 UTCGHSA enrichment
  10. 2026-08-12 16:25 UTCEG score recompute
  11. 2026-08-12 16:25 UTCGHSA enrichment
  12. 2026-08-12 13:51 UTCEPSS rescore
  13. 2026-08-12 05:29 UTCEG score recompute
  14. 2026-08-12 05:29 UTCGHSA enrichment
  15. 2026-08-12 04:20 UTCEG score recompute
  16. 2026-08-12 04:20 UTCGHSA enrichment
  17. 2026-08-11 20:19 UTCEG score recompute
  18. 2026-08-11 20:19 UTCGHSA enrichment
  19. 2026-08-11 20:10 UTCEG score recompute
  20. 2026-08-11 20:10 UTCGHSA enrichment
  21. 2026-08-11 18:37 UTCEG score recompute
  22. 2026-08-11 18:36 UTCGHSA enrichment
  23. 2026-08-11 18:04 UTCEG score recompute
  24. 2026-08-11 18:00 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-48409?
CVE-2026-48409 is a high vulnerability published on August 11, 2026. Lightroom Classic 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-2026-48409 disclosed?
CVE-2026-48409 was first published in the National Vulnerability Database on August 11, 2026, with the most recent update on August 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-48409 actively exploited?
CVE-2026-48409 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 94.5% of all scored CVEs.
What is the CVSS score of CVE-2026-48409?
CVE-2026-48409 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2026-48409?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-48409, 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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