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TI-2021-17720 Aliases CVE-2021-40776GHSA-94qm-cpmj-pvcv

Adobe Lightroom Classic DLL Hijacking Local Privilege Escalation Vulnerability

Priority LOW 30CWE-379Published · Updated

Key facts

Attack vector
Physical
Privileges required
High
User interaction
Required
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

Adobe Lightroom Classic 10.3 (and earlier) are affected by a privilege escalation vulnerability in the Offline Lightroom Classic installer. An authenticated attacker could leverage this vulnerability to escalate privileges. User interaction is required before product installation to abuse this vulnerability.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00545 45th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
AdobeLightroom Classicup to 10.3; up to None—No fix listedCNA
  • Lightroom Classic VendorAdobe Affected up to 10.3; up to None Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:adobe:lightroom:*:*:*:*:classic:*:*:*before 10.4VulnerableAdobe
cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*not specified by NVDRunning onApple
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*not specified by NVDRunning onMicrosoft
  • cpe:2.3:a:adobe:lightroom:*:*:*:*:classic:*:*:* Versions before 10.4 Vulnerable ·Adobe
  • cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Apple
  • cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-40776
  2. 2026-10-03 Alias added: GHSA-94qm-cpmj-pvcv

References

Patch 1

  • TI-2026-35796 Lightroom Classic | Deserialization of Untrusted Data (CWE-502) CVSS 3.1HIGH 8.6
  • TI-2026-35835 Lightroom Classic | Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') (CWE-22) CVSS 3.1HIGH 8.6
  • TI-2020-07810 Uncontrolled search path in Adobe Lightroom CVSS 3.1HIGH 7.8
  • TI-2026-35804 Lightroom Classic | Out-of-bounds Write (CWE-787) CVSS 3.1HIGH 7.8
  • TI-2026-35803 Lightroom Classic | Out-of-bounds Write (CWE-787) CVSS 3.1HIGH 7.8
  • TI-2026-35802 Lightroom Classic | Out-of-bounds Write (CWE-787) CVSS 3.1HIGH 7.8
See all 18 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences