How severe is CVE-2021-40776?

CVE-2021-40776 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over physical access with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-40776 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-40776?

CVE-2021-40776 affects Adobe Lightroom. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-40776?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-40776 published?

CVE-2021-40776 was published on 2022-06-15 and last updated on 2026-06-17.

CVE-2021-40776

CVE-2021-40776 is a medium-severity vulnerability in Adobe Lightroom with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-379.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 6.6
EPSS exploit prediction: 1% (40th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-379
Affected product: Adobe Lightroom
Published: 2022-06-15
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2021-40776?: 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.
How severe is CVE-2021-40776?: CVE-2021-40776 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over physical access with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-40776 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-40776?: CVE-2021-40776 affects Adobe Lightroom. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-40776?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-40776 published?: CVE-2021-40776 was published on 2022-06-15 and last updated on 2026-06-17.

References

https://helpx.adobe.com/security/products/lightroom/apsb21-97.html

Affected products (1)

cpe:2.3:a:adobe:lightroom:*:*:*:*:classic:*:*:*

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