CVE-2026-48406: Lightroom Classic is affected by an out-of-bounds write vulnerability that could result in arbitrary code exec

Q: How do I fix CVE-2026-48406?

lightroom: upgrade to 15.5. Exact commands for each OS are on this page.

Q: Is CVE-2026-48406 being exploited?

CVE-2026-48406 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-48406 affect?

CVE-2026-48406 affects lightroom. Severity is high (CVSS 7.8). Lightroom Classic is 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 malici

Routine

HIGH 7.8UPGRADE

CVE-2026-48406 is a high-severity flaw (CVSS 7.8) affecting lightroom. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Lightroom Classic is 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.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.3% (top 84%)
CISA exploited list	No
Weakness	CWE-787
Published	2026-08-11
Last modified	2026-10-23

Publisher (CNA): Adobe Systems Incorporated · Vendor: adobe

Am I affected?

Timeline

2026-08-11 18:17 UTCPublished CVE record published
2026-10-23 19:10 UTCUpdated Record last modified

adobe lightroom UPGRADE

Affected: < 15.5

Fixed in: 15.5

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy lightroom || rpm -q lightroom || lightroom --version

2. UPGRADE to 15.5 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade lightroom

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade lightroom

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-48406?

lightroom: upgrade to 15.5. Exact commands for each OS are on this page.

Is CVE-2026-48406 being exploited?

CVE-2026-48406 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-48406 affect?

CVE-2026-48406 affects lightroom. Severity is high (CVSS 7.8). Lightroom Classic is 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 malici

How urgent is CVE-2026-48406?

Priority 31/100. High severity

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References

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