Lightroom Classic OOB Write Arbitrary Code Exec via Malicious File
CVE-2026-48409 Published on August 11, 2026
Lightroom Classic | Out-of-bounds Write (CWE-787)
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.
Vulnerability Analysis
CVE-2026-48409 can be exploited with local system access, requires user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.
Weakness Type
What is a Memory Corruption Vulnerability?
The software writes data past the end, or before the beginning, of the intended buffer. Typically, this can result in corruption of data, a crash, or code execution. The software may modify an index or perform pointer arithmetic that references a memory location that is outside of the boundaries of the buffer. A subsequent write operation then produces undefined or unexpected results.
CVE-2026-48409 has been classified to as a Memory Corruption vulnerability or weakness.
Products Associated with CVE-2026-48409
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Affected Versions
Adobe Lightroom Classic:- Before and including 15.4, 15.4.1, 15.3, 15.3.1, 15.2, 15.2.1 is affected.
- Version 15.5 is unaffected.