CVE-2023-26370

ZDI-CAN-21257: Adobe Photoshop PSD File Parsing Uninitialized Variable Remote Code Execution Vulnerability

HIGH
7.8
CVSS Score
Published: October 11, 2023 at 11:49 AM UTC
Updated: June 17, 2026 at 05:43 AM UTC
4 products affected across 1 vendorPhotoshop 2023Photoshop 2024Photoshop 2022· also runs on 2 platforms

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Severity
HIGH7.8
Exploit prediction
EPSS 0.4%

Description

Adobe Photoshop versions 23.5.5 (and earlier) and 24.7 (and earlier) are affected by an Access of Uninitialized Pointer 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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≤ 23.5.5
apple-macos (environment) · microsoft-windows (environment)
v < 24.7.1
Affected range stops below 24.7.1, so it looks safe — our inference, not a vendor statement
v < 25.0
Affected range stops below 25.0, so it looks safe — our inference, not a vendor statement
v ≤ 24.7v < 24.7.1v < 25.0
Affected range stops below 24.7.1, so it looks safe — our inference, not a vendor statement
Affected range stops below 25.0, so it looks safe — our inference, not a vendor statement
apple-macos (environment) · microsoft-windows (environment)

Runs on — not affected

The affected product only carries this flaw when running on these platforms. The platforms themselves are not vulnerable.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

7.8HIGHadobe
Attack Vector
LOCAL
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-824

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