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CVE-2021-40776

22
FAUCET Score

CVE-2021-40776 is a privilege escalation vulnerability affecting Adobe Lightroom Classic 10.3 and earlier versions, specifically within the Offline Lightroom Classic installer on Windows and macOS platforms. This medium-severity vulnerability (CVSS 6.1) requires an authenticated attacker and user interaction during product installation to achieve high impact on confidentiality, integrity, and availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion, with only one article and one community mention identified.

Impacted Technologies

VendorProductVersion(s)CPE
< 10.4CPE matchmatch criteria
cpe:2.3:a:adobe:lightroom:*:*:*:*:classic:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.1MEDIUM

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

Attack Vector
PHYSICAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
0.2
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.52%
Probability of exploitation in next 30 days
EPSS Percentile
41.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0052 is in the 33rd percentile among its peer group of 4 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.0 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

adobepatch availablevia nvd_reference
View patch

References

helpx.adobe.com / security/products/lightroom/apsb21-97.html
PatchVendor Advisory