EUVD-2026-56833
GHSA-xw65-fhx6-6xqp
Severity by source
AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
File-parsing trigger requires local file open (AV:L, UI:R); no attacker privileges needed; full memory corruption impact across C/I/A with no scope change.
Primary rating from Vendor (adobe).
CVSS VectorVendor: adobe
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Lifecycle Timeline
2DescriptionCVE.org
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.
AnalysisAI
Out-of-bounds write in Adobe Lightroom Classic versions up to 15.4.1 enables arbitrary code execution in the context of the logged-in user when a victim opens a specially crafted file. Tagged as Memory Corruption, RCE, and Buffer Overflow by Adobe PSIRT, the vulnerability carries a CVSS 7.8 (High) rating. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires the victim to open a maliciously crafted file using an affected version of Adobe Lightroom Classic (15.2 through 15.4.1). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 7.8 High score reflects high Confidentiality, Integrity, and Availability impact with a local attack vector and no privilege requirement beyond getting the victim to open a file - a realistic bar for phishing-style delivery. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker crafts a malicious image or media file designed to trigger the out-of-bounds write in Lightroom Classic's file parser, then delivers it to a target photographer, designer, or marketing professional via phishing email or a compromised asset-sharing link. The victim opens the file in Lightroom Classic, triggering the memory corruption and executing attacker-controlled code under the victim's user account. … |
| Remediation | The primary remediation is to upgrade Adobe Lightroom Classic to version 15.5, which is the vendor-released patch per Adobe security bulletin APSB26-94 (https://helpx.adobe.com/security/products/lightroom/apsb26-94.html). … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, issue an urgent security alert to all Lightroom Classic users warning against opening unsolicited files and attachments from untrusted sources. …
Sign in for detailed remediation steps and compensating controls.
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Unsafe deserialization of untrusted data in Adobe Lightroom Classic (versions ≤15.4.1) enables arbitrary code execution
Path traversal in Adobe Lightroom Classic versions up to 15.4.1 allows an attacker to read arbitrary files from the vict
Arbitrary code execution in Adobe Lightroom Classic versions up to and including 15.4.1 is achievable by tricking a vict
Out-of-bounds write in Adobe Lightroom Classic versions up to and including 15.4.1 enables arbitrary code execution in t
Arbitrary code execution in Adobe Lightroom Classic versions up to and including 15.4.1 is triggered when a victim opens
Out-of-bounds write in Adobe Lightroom Classic allows arbitrary code execution under the context of the logged-in user w
Out-of-bounds write in Adobe Lightroom Classic versions up to 15.4.1 enables arbitrary code execution in the security co
Out-of-bounds write in Adobe Lightroom Classic versions up to 15.4.1 enables arbitrary code execution in the context of
Out-of-bounds write in Adobe Lightroom Classic versions up to and including 15.4.1 allows arbitrary code execution in th
Lightroom Desktop versions 8.2 and earlier are affected by an out-of-bounds write vulnerability that could result in arb
Arbitrary code execution in Adobe Lightroom Desktop 15.1 and earlier via an out-of-bounds write vulnerability when users
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Same weakness CWE-787 – Out-of-bounds Write
View allSame technique Memory Corruption
View allShare
External POC / Exploit Code
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