CVE-2026-82007: Adobe Photoshop Integer Overflow RCE Flaw

CVE-2026-82007 Overview

CVE-2026-82007 is an integer overflow or wraparound vulnerability [CWE-190] in Adobe Photoshop Desktop. Successful exploitation allows an attacker to execute arbitrary code in the context of the current user. The flaw requires user interaction: a victim must open a malicious file crafted by the attacker.

The issue carries a local attack vector with low complexity and no privileges required. Because code executes as the logged-in user, an attacker can access files, install software, or move laterally within the account's authorization scope. Adobe published guidance in security bulletin APSB26-130.

Critical Impact

Opening a malicious file in Photoshop Desktop can trigger an integer overflow that leads to arbitrary code execution with the current user's privileges.

Affected Products

• Adobe Photoshop Desktop (versions listed in Adobe advisory APSB26-130)

Discovery Timeline

• 2026-09-08 - CVE-2026-82007 published to NVD
• 2026-09-09 - Last updated in NVD database

Technical Details for CVE-2026-82007

Vulnerability Analysis

The vulnerability is classified under [CWE-190: Integer Overflow or Wraparound]. Photoshop Desktop performs arithmetic on values derived from an untrusted file without adequately validating that the result fits within the destination type. When the computed value wraps around, subsequent memory allocation or indexing operations use an incorrect size.

The undersized allocation or miscomputed bounds enables a memory corruption primitive during file parsing. An attacker crafts an image or project file with malformed size, offset, or count fields that trigger the arithmetic wrap. Once the corrupted state is reached, controlled data written into the resulting buffer can hijack execution flow.

Exploitation runs in the user context of the person opening the file. The attacker gains the same file system and network access the victim holds, without needing prior credentials on the host.

Root Cause

The root cause is missing or insufficient bounds checking on values used in size calculations during file parsing. The affected code path converts attacker-controlled fields into buffer sizes or loop counters, and the arithmetic wraparound produces a value smaller than the actual data volume.

Attack Vector

The attack vector is local and requires user interaction. A victim must open a malicious file delivered through email, chat, a compromised website, or removable media. No network exposure of Photoshop is required, and no authentication to any service is needed.

See the Adobe Photoshop Security Advisory APSB26-130 for vendor technical detail. No public proof-of-concept exploit or in-the-wild exploitation has been reported at the time of publication.

Detection Methods for CVE-2026-82007

Indicators of Compromise

• Photoshop process (Photoshop.exe on Windows, Adobe Photoshop on macOS) spawning unexpected child processes such as cmd.exe, powershell.exe, wscript.exe, or shell interpreters.
• Photoshop initiating outbound network connections to unknown remote hosts shortly after opening a file.
• Unexpected file writes or persistence artifacts created under user profile directories immediately after opening image or project files.

Detection Strategies

• Baseline legitimate Photoshop child-process activity and alert on deviations, particularly script hosts, LOLBins, or archive utilities.
• Correlate file-open events on .psd, .psb, .tiff, and other Photoshop-supported formats with subsequent process, module load, and network telemetry.
• Hunt for Photoshop process crashes followed by relaunches and new persistence entries, which can indicate failed or successful exploitation attempts.

Monitoring Recommendations

• Ingest endpoint process, file, and network telemetry into a centralized analytics platform for cross-event correlation.
• Track installed Photoshop versions across the fleet and flag hosts running builds prior to the APSB26-130 fix.
• Alert on Photoshop opening files sourced from download, temp, or email attachment directories in high-risk user populations.

How to Mitigate CVE-2026-82007

Immediate Actions Required

• Apply the Adobe Photoshop updates referenced in security bulletin APSB26-130 on all Windows and macOS endpoints running Photoshop Desktop.
• Inventory Photoshop installations across managed and BYOD endpoints and prioritize patching for users who routinely handle external files.
• Instruct users not to open Photoshop files received from untrusted or unverified sources until patching is complete.

Patch Information

Adobe addresses this vulnerability in the Photoshop Desktop updates published in Adobe Security Bulletin APSB26-130. Refer to the advisory for exact fixed version numbers per release track and update through Creative Cloud Desktop or enterprise deployment tooling.

Workarounds

• Restrict Photoshop file handling to trusted sources and disable auto-open associations for Photoshop file types from browsers and mail clients where feasible.
• Run Photoshop under standard user accounts rather than administrative accounts to limit the impact of code executed in user context.
• Enable operating system exploit mitigations (Windows Exploit Protection, macOS Hardened Runtime) for the Photoshop process.

# Windows: query installed Adobe Photoshop version for patch verification
Get-ItemProperty HKLM:\Software\Microsoft\Windows\CurrentVersion\Uninstall\* |
  Where-Object { $_.DisplayName -like 'Adobe Photoshop*' } |
  Select-Object DisplayName, DisplayVersion, InstallLocation