CVE-2021-40776 Adobe Lightroom Classic DLL Hijacking Local Privilege Escalation Vulnerability
An authenticated attacker can escalate privileges via DLL hijacking in the offline installer, requiring user interaction during installation.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-40776?
CVE-2021-40776 is a medium-severity vulnerability in Adobe Lightroom Classic, published on 15 Jun 2022. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
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.
Weakness: CWE-379
Which versions are affected by CVE-2021-40776?
It affects 1 product.
Products include Adobe Lightroom.
How do I fix CVE-2021-40776?
No fix has been published for CVE-2021-40776 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-40776 being exploited?
There is no known exploitation of CVE-2021-40776 in the wild and no public exploit code.
Other vulnerabilities in Adobe Lightroom Classic
- CVE-2026-48397 Lightroom Classic | Deserialization of Untrusted Data (CWE-502)
- CVE-2026-48441 Lightroom Classic | Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') (CWE-22)
- CVE-2026-47940 Lightroom Classic | Integer Overflow or Wraparound (CWE-190)
- CVE-2026-48404 Lightroom Classic | Out-of-bounds Write (CWE-787)
- CVE-2026-48405 Lightroom Classic | Out-of-bounds Write (CWE-787)
Sources
Also known as GHSA-94qm-cpmj-pvcv.