CVE-2026-48395: Bridge Untrusted Search Path RCE Flaw

CVE-2026-48395 Overview

CVE-2026-48395 is an Untrusted Search Path vulnerability [CWE-426] affecting Adobe Bridge. Attackers can leverage this flaw to execute arbitrary code in the context of the current user. Exploitation requires user interaction, specifically that a victim opens a malicious file. The vulnerability has a changed scope, meaning successful exploitation impacts resources beyond the vulnerable component.

Adobe published details in security advisory APSB26-89. The issue affects the local attack surface of Bridge, and code execution occurs with the privileges of the current user.

Critical Impact
Successful exploitation allows arbitrary code execution in the user context with high confidentiality, integrity, and availability impact, and can affect components beyond Bridge itself due to the changed scope.

Affected Products

Adobe Bridge (see Adobe advisory APSB26-89 for affected versions)

Discovery Timeline

2026-07-28 - CVE-2026-48395 published to NVD
2026-07-29 - Last updated in NVD database

Technical Details for CVE-2026-48395

Vulnerability Analysis

The flaw is classified as an Untrusted Search Path weakness [CWE-426]. Adobe Bridge loads a resource (typically a dynamic library or executable dependency) using a search path that includes locations an unprivileged attacker can influence. When a user opens a crafted file, Bridge resolves that dependency from an attacker-controlled directory instead of the legitimate location.

The result is arbitrary code execution under the identity of the user running Bridge. Because the CVSS scope is marked as changed, code introduced through Bridge can affect additional security authorities on the host, such as other user-mode components or resources normally isolated from the Bridge process.

Root Cause

The root cause is insecure loading behavior in Bridge, where the application does not enforce a trusted, absolute search order when resolving external code modules or helper binaries. This class of weakness commonly appears as DLL search order hijacking on Windows or dylib hijacking on macOS. Any writable directory that appears earlier in the resolved search path than the legitimate module directory becomes a viable staging location for a malicious payload.

Attack Vector

Exploitation is local and requires user interaction. An attacker delivers a malicious file, for example through email, a shared drive, or a downloaded archive. The archive or working directory contains both a benign-looking Bridge project file and a malicious library named to match a module that Bridge attempts to load. When the victim opens the file with Bridge, the application loads the attacker's library and executes its payload with the user's privileges. No authentication is required to stage the payload, and no elevated privileges are needed on the target.

No public proof-of-concept code or exploit is currently listed for CVE-2026-48395. Refer to the Adobe Security Advisory APSB26-89 for vendor technical details.

Detection Methods for CVE-2026-48395

Indicators of Compromise

Unexpected dynamic libraries (.dll, .dylib) sitting alongside Bridge project files (.bridgesort, .bcm, .xmp) in user-writable directories such as Downloads, Desktop, or extracted archive folders.
Bridge.exe loading modules from paths outside the Adobe installation directory, particularly from user profile locations.
Child processes spawned by Bridge.exe that are not signed by Adobe, such as cmd.exe, powershell.exe, or rundll32.exe.
Outbound network connections initiated shortly after Bridge opens a file from an untrusted source.

Detection Strategies

Monitor image load events for Bridge.exe and alert when loaded modules originate from non-standard directories.
Correlate file-open telemetry in Bridge with subsequent process creation and network activity within a short time window.
Hunt for user-writable directories that contain both an Adobe Bridge document and an unsigned library with a name matching known Bridge dependencies.

Monitoring Recommendations

Enable process creation, image load, and file creation logging on endpoints where Bridge is installed, and forward events to a central SIEM.
Baseline the legitimate module load list of Bridge.exe in your environment so anomalous loads stand out.
Track downloads of Bridge project files from external sources and flag them for review before opening.

How to Mitigate CVE-2026-48395

Immediate Actions Required

Apply the Adobe Bridge security update referenced in Adobe Security Advisory APSB26-89 as soon as it is available in your environment.
Instruct users to avoid opening Bridge files received from untrusted sources, extracted from unfamiliar archives, or stored in shared writable locations.
Inventory endpoints with Adobe Bridge installed and prioritize patching hosts used by designers, marketing teams, and creative production staff.

Patch Information

Adobe has released a security update addressed in advisory APSB26-89. Consult the Adobe Security Advisory APSB26-89 for the specific fixed versions and platform-specific installers. Deploy updates through your standard software management channel and verify the installed Bridge version after deployment.

Workarounds

Open Bridge documents only from trusted, controlled directories such as an organization-managed network share, not from Downloads or extracted archive folders.
Restrict write access to directories in the process search path so attackers cannot drop malicious libraries alongside Bridge documents.
Apply application control policies that block unsigned dynamic libraries from loading into Bridge.exe.
Segment creative workstations from sensitive infrastructure to limit lateral impact if a user opens a malicious file.

bash

# Example: enumerate Adobe Bridge installations on Windows endpoints
Get-CimInstance -ClassName Win32_Product |
  Where-Object { $_.Name -like 'Adobe Bridge*' } |
  Select-Object Name, Version, InstallLocation