Headline
CVE-2021-40776: Adobe Security Bulletin
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.
Security Updates Available for Adobe Lightroom Classic | APSB21-97
Bulletin ID
Date Published
Priority
ASPB21-97
October 26, 20201
2
Summary
Adobe has released updates for Adobe Lightroom Classic for Windows and macOS. This update addresses a critical vulnerability. Successful exploitation could lead to arbitrary code execution in the context of the current user.
Affected Versions
Product
Version
Platform
Lightroom Classic
10.3 and earlier versions
Windows
Solution
Adobe categorizes these updates with the following priority ratings and recommends users update their installation to the newest version via the Creative Cloud desktop app’s update mechanism. For more information, please reference this help page.
Product
Version
Platform
Priority Rating
Availability
Lightroom Classic
Lightroom Classic v10.4 and v11.0
Windows and macOS
3
Download Center
For managed environments, IT administrators can use the Admin Console to deploy Creative Cloud applications to end users. Refer to this help page for more information.
Vulnerability details
Vulnerability Category
Vulnerability Impact
Severity
CVE Numbers
Creation of Temporary File in Directory with Incorrect Permissions (CWE-379)
Privilege escalation
Critical
CVE-2021-40776
Acknowledgments
Adobe would like to thank CQY of Topsec Alpha Team (yjdfy) for reporting this issue and for working with Adobe to help protect our customers.
- CQY of Topsec Alpha Team (yjdfy) (CVE-2021-40776)