Skip to content
Fencer Vulns
medium 6.1

CVE-2021-40776 json

Adobe Lightroom Classic DLL Hijacking Local Privilege Escalation Vulnerability

published 2022-06-15 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-27941

cvss
6.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 46%
public exploits
0
none known

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.

Patch / fix

  • adobe lightroom 10.4

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
18 mo ago

Exploit prediction

0.55% chance of exploitation in the next 30 days, higher than 46% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 6.1 CVSS:3.1/AV:P/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 6.6 AV:L/AC:M/Au:S/C:C/I:C/A:C

Affected products

  • Adobe Lightroom Classic

Classification

Weakness
  • CWE-379 Creation of Temporary File in Directory with Insecure Permissions

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.