CVE-2021-43753: Adobe Lightroom

High severity, CVSS 7.8. EPSS: 0.4% chance of exploitation in the next 30 days.

Adobe Lightroom versions 4.4 (and earlier) are affected by a use-after-free vulnerability in the processing of parsing TIF files that could result in privilege escalation. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Affected products

• Adobe Lightroom: before 5.1 (fixed in 5.1)

Published 2023-09-07. Last modified 2026-06-17.