What is the CVSS score of CVE-2026-21349?

CVE-2026-21349 has a CVSS 3.1 base score of 7.8 (High). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.0%.

Which versions of Lightroom are affected by CVE-2026-21349?

Adobe Lightroom Desktop users in your organization face a high-risk vulnerability (CVE-2026-21349) that could allow attackers to execute malicious code by tricking users into opening specially…

How to fix or mitigate CVE-2026-21349?

Within 24 hours: Identify and inventory all Lightroom Desktop installations across the organization and alert users to avoid opening files from untrusted sources. Within 7 days: Implement file-type restrictions for common image formats at email gateways and implement network segmentation to limit Lightroom process privileges. Within 30 days: Establish a patch deployment plan for immediate rollout once Adobe releases an update, and consider evaluating alternative image editing solutions with better security postures.

Lightroom CVE-2026-21349

HIGH

Out-of-bounds Write (CWE-787)

2026-02-10 psirt@adobe.com

Buffer Overflow RCE Lightroom

7.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.8 HIGH

AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 22:02 vuln.today

CVE Published

Feb 10, 2026 - 20:16 nvd

HIGH 7.8

DescriptionCVE.org

Lightroom Desktop versions 15.1 and earlier are affected by an out-of-bounds write vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

AnalysisAI

Arbitrary code execution in Adobe Lightroom Desktop 15.1 and earlier via an out-of-bounds write vulnerability when users open malicious files. Local exploitation requires user interaction but executes with the privileges of the current user. No patch is currently available.

Technical ContextAI

Classified as CWE-787 (Out-of-bounds Write). Affects Lightroom. Lightroom Desktop versions 15.1 and earlier are affected by an out-of-bounds write vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.