CVE-2021-40776 json
Adobe Lightroom Classic DLL Hijacking Local Privilege Escalation Vulnerability
published 4y ago modified 4mo 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
Is CVE-2021-40776 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- last yr.
Exploit prediction
0.55% chance of exploitation in the next 30 days, higher than 46% of all scored CVEs (FIRST EPSS, 2026-11-09).
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
-
helpx.adobe.com
/security/products/lightroom/apsb21-97.html
patch, vendor-advisory
Sources
- CVE List CVE-2021-40776
- NVD CVE-2021-40776
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