CVE-2026-34883
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedAn issue was discovered in the Portrait Dell Color Management application before 3.7.0 for Dell monitors. On Windows, a symbolic link vulnerability allows a local low-privileged user to escalate privileges to Administrator. During installation, the software writes the file CCFLFamily_07Feb11.edr to C:\ProgramData\Portrait Displays\CW\data\i1D3\ while running with elevated privileges. Because the installer does not properly validate symbolic links or reparse points at the destination path, an attacker can create a malicious link that redirects the write operation to an arbitrary system location, enabling arbitrary file creation or overwrite with elevated privileges.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · high confidenceA symbolic link (symlink) vulnerability in the Portrait Dell Color Management installer before version 3.7.0 allows a local low-privileged user to escalate privileges to Administrator. The installer writes the file CCFLFamily_07Feb11.edr to C:\ProgramData\Portrait Displays\CW\data\i1D3\ with elevated privileges without validating whether the destination is a symbolic link or reparse point, enabling an attacker to redirect the write operation to an arbitrary system location for arbitrary file creation or overwrite.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Local
- Complexity
- Low
- Privileges
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- Low
- Integrity
- Low
- Availability
- Low
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Verify Portrait Dell Color Management is installedCheck for the presence of the application in the system. Look for the installation directory at C:\Program Files\Portrait Displays\ or C:\Program Files (x86)\Portrait Displays\, or check Windows Registry under HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall for an entry named 'Portrait Dell Color Management' or similar.Affected if The application is not found on the system.
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Determine the installed versionLocate the installer or application executable (typically named something like Portrait Dell Color Management.exe or PDCCM.exe) and check its version property. In Windows, right-click the executable, select Properties, and view the Details tab. Alternatively, query the registry value 'DisplayVersion' under the uninstall key for Portrait Dell Color Management.Affected if The installed version exists but is earlier than v3.7.0 (for example, 3.6.x, 3.5.x, or any version number less than 3.7.0).
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Verify the target vulnerability directory existsCheck if the directory C:\ProgramData\Portrait Displays\CW\data\i1D3\ exists on the system. This is the location where the installer writes the file CCFLFamily_07Feb11.edr with elevated privileges.Affected if The directory exists and low-privileged users have write permissions to this location, allowing them to create a symbolic link before the installer runs.
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Check permissions on the target directoryRight-click the C:\ProgramData\Portrait Displays\CW\data\i1D3\ folder, select Properties, then Security tab. Verify which users or groups have Write or Create Files permissions. Alternatively, run 'icacls C:\ProgramData\Portrait Displays\CW\data\i1D3' from an elevated command prompt to view effective permissions.Affected if Authenticated Users or standard users have Write permissions to this directory, enabling a low-privileged attacker to place a symbolic link before the installer executes with Administrator privileges.
The system is affected if Portrait Dell Color Management is installed with a version earlier than 3.7.0 AND the target directory C:\ProgramData\Portrait Displays\CW\data\i1D3\ exists with write permissions available to non-Administrator users.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
dbcve · scopedUpdate Portrait Dell Color Management to version 3.7.0 or later, which includes proper validation of symbolic links and reparse points during the installation process.
Portrait Dell Color Management version 3.7.0
- Obtain the fixed version (3.7.0) of Portrait Dell Color Management from the official Portrait Displays vendor website
- Download the installer and verify its integrity (e.g., checksums if provided by vendor)
- Close any running instances of the Portrait Dell Color Management application
- Run the version 3.7.0 installer with standard user privileges (the installer will request elevation when needed for installation to Program Files)
- Follow the on-screen installation prompts to complete the upgrade
- After installation, verify the installed version is 3.7.0 by checking the application's About or version information
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation1.0 h
- Implementation2.0 h
- Testing3.0 h
- Review / QA1.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2026-34883 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2026-34883 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
- No spam, self-promotion, credentials, or personal data