Lightroom Classic | Deserialization of Untrusted Data (CWE-502)

published 2026-08-11 2 mo ago modified 2026-10-23 16 d ago also EUVD-2026-56831

cvss: 8.6; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.0%; EPSS 1.0% chance of exploitation in 30 days, percentile 62%
public exploits: 0; none known

Lightroom Classic is affected by a Deserialization of Untrusted Data vulnerability that could result in arbitrary code execution in the context of the current user. An attacker could exploit this vulnerability to execute arbitrary code. Exploitation of this issue requires user interaction in that a victim must open a malicious file. Scope is changed.

Patch / fix

fixed in 1

Adobe Lightroom Classic 15.5

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 2 mo ago (2026-08-12)

Exploit prediction

0.97% chance of exploitation in the next 30 days, higher than 62% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	8.6	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Affected products

Adobe Lightroom Classic

Classification

Weakness

CWE-502 Deserialization of Untrusted Data

References

helpx.adobe.com /security/products/lightroom/apsb26-94.html
vendor-advisory

Sources

CVE List CVE-2026-48397
NVD CVE-2026-48397

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary