CVE-2021-40776

Name: CVE-2021-40776
Creator: NVD / NIST
Published: 2022-06-15T19:15:10.137+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.52%

Last modified Jun 17, 2026

CVE-2021-40776 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. 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. EPSS estimates a 0.52% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

6.1/10

CVSS:3.1/AV:P/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

0.52%

40.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-379

Affected Software

Vendor	Product	Versions
Adobe	Lightroom	< 10.4

References

https://helpx.adobe.com/security/products/lightroom/apsb21-97.htmlPatch, Vendor Advisory
https://helpx.adobe.com/security/products/lightroom/apsb21-97.htmlPatch, Vendor Advisory

Timeline

Published: Jun 15, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-40776?

How severe is CVE-2021-40776?

CVE-2021-40776 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.52% probability of exploitation in the next 30 days.

How do I fix CVE-2021-40776?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-40776?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST