How severe is CVE-2026-21349?

CVE-2026-21349 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-21349 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-21349?

CVE-2026-21349 affects Adobe Lightroom. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-21349?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-21349 have an EU (EUVD) identifier?

Yes. CVE-2026-21349 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-6362.

When was CVE-2026-21349 published?

CVE-2026-21349 was published on 2026-02-10 and last updated on 2026-06-17.

CVE-2026-21349

CVE-2026-21349 is a high-severity vulnerability in Adobe Lightroom with a CVSS 3.x base score of 7.8. 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-787.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (4th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-6362
Weakness: CWE-787
Affected product: Adobe Lightroom
Published: 2026-02-10
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2026-21349?: 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.
How severe is CVE-2026-21349?: CVE-2026-21349 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-21349 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-21349?: CVE-2026-21349 affects Adobe Lightroom. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-21349?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-21349 have an EU (EUVD) identifier?: Yes. CVE-2026-21349 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-6362.
When was CVE-2026-21349 published?: CVE-2026-21349 was published on 2026-02-10 and last updated on 2026-06-17.

References

https://helpx.adobe.com/security/products/lightroom/apsb26-06.html

Affected products (1)

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

More vulnerabilities in Adobe Lightroom

CVE-2025-27197 — High (CVSS 7.8): Lightroom Desktop versions 8.2 and earlier are affected by an out-of-bounds write vulnerability that could result in…
CVE-2024-20754 — High (CVSS 7.8): Lightroom Desktop versions 7.1.2 and earlier are affected by an Untrusted Search Path vulnerability that could result…
CVE-2021-43753 — High (CVSS 7.8): Adobe Lightroom versions 4.4 (and earlier) are affected by a use-after-free vulnerability in the processing of parsing…
CVE-2020-9724 — High (CVSS 7.8): Adobe Lightroom versions 9.2.0.10 and earlier have an insecure library loading vulnerability. Successful exploitation…
CVE-2020-24447 — High (CVSS 7.0): Adobe Lightroom Classic version 10.0 (and earlier) for Windows is affected by an uncontrolled search path vulnerability…
CVE-2021-40776 — Medium (CVSS 6.1): Adobe Lightroom Classic 10.3 (and earlier) are affected by a privilege escalation vulnerability in the Offline…

All CVEs affecting Adobe Lightroom →

Other CWE-787 (Out-of-bounds Write) vulnerabilities

CVE-2026-42369 — Critical (CVSS 10.0): GV-VMS V20 is a Video Monitoring Software used to gather the feeds of many surveillance cameras and manage other…
CVE-2026-4746 — Critical (CVSS 10.0): Out-of-bounds Write vulnerability in timeplus-io proton (base/poco/Foundation/src‎ modules). This vulnerability is…
CVE-2025-43300 — Critical (CVSS 10.0): An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 15.8.5 and iPadOS…
CVE-2025-24201 — Critical (CVSS 10.0): An out-of-bounds write issue was addressed with improved checks to prevent unauthorized actions. This issue is fixed in…
CVE-2024-42479 — Critical (CVSS 10.0): llama.cpp provides LLM inference in C/C++. The unsafe `data` pointer member in the `rpc_tensor` structure can cause…
CVE-2024-39791 — Critical (CVSS 10.0): Stack-based buffer overflow vulnerabilities affecting Vonets industrial wifi bridge relays and wifi bridge…

Browse all CWE-787 (Out-of-bounds Write) vulnerabilities →