Sources: National Vulnerability Database, CVE.org, CISA KEV, FIRST EPSS
CVE-2026-87772 Overview
Incorrect Authorization vulnerability in TÜBİTAK BİLGEM Software Technologies Research Institute Pardus About allows Privilege Escalation. This issue affects Pardus About: before 1.2.5.
Critical Impact
Affected Products
- TÜBİTAK BİLGEM Software Technologies Research Institute Pardus About: see the vendor advisory for the exact affected versions
Discovery Timeline
- 2026-11-12: CVE-2026-87772 published to the National Vulnerability Database by iletisim@usom.gov.tr
- 2026-11-12: last updated in the NVD database
Technical Details for CVE-2026-87772
Vulnerability Analysis
CVE-2026-87772 is a Incorrect Authorization weakness (CWE-863: Incorrect Authorization) in TÜBİTAK BİLGEM Software Technologies Research Institute Pardus About. Based on its CVSS vector, the flaw needs local or adjacent access, needs some level of access, and needs no user interaction. The permission check exists but gets the answer wrong.
With a CVSS base score of 7.8, apply the vendor fix and confirm exposure on internet facing and business critical assets first.
Root Cause
The weakness is classified as CWE-863: Incorrect Authorization. The permission check exists but gets the answer wrong.
Attack Vector
Based on the CVSS vector, the flaw needs local or adjacent access, needs some level of access, and needs no user interaction. Attack complexity is low complexity.
No exploitation in the wild is confirmed by CISA at the time of the last update. Check the references below for any vendor or researcher proof of concept.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Detection Methods for CVE-2026-87772
Detection Strategies
- Inventory every instance of TÜBİTAK BİLGEM Software Technologies Research Institute Pardus About and compare the running version with the affected range above.
- Check external attack surface scans for internet facing instances of the component.
- Run an authenticated vulnerability scan once your scanner ships a check for this CVE.
Monitoring Recommendations
- Forward TÜBİTAK BİLGEM Software Technologies Research Institute Pardus About application, access and audit logs to your SIEM for retrospective hunting.
- Alert on new processes, configuration changes or outbound connections from the affected service.
- Track the vendor advisory and the CISA KEV catalog for changes in exploitation status.
How to Mitigate CVE-2026-87772
Immediate Actions Required
- Apply the fixed version of TÜBİTAK BİLGEM Software Technologies Research Institute Pardus About named in the vendor advisory.
- Prioritize internet facing and business critical instances first.
- Rescan after the change to confirm the exposure is closed.
Patch Information
Use the fixed version listed in the vendor advisory for TÜBİTAK BİLGEM Software Technologies Research Institute Pardus About.
Workarounds
- If patching must wait, restrict network access to the affected service and place it behind authentication or a web application firewall rule.
CWE References
- CWE-863: Incorrect Authorization More CVEs with this weakness
Technical References
This entry is built directly from NVD, CISA KEV and EPSS data. Verify fixed versions in the vendor advisory before you deploy.
Frequently asked questions
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