Assessment
Why it matters
EPSS is 1.0%; technical severity is CVSS 7.2.
Multiple buffer overflow vulnerabilities in the User-ID Terminal Server Agent (TSA) component of Palo Alto Networks PAN-OS software allow an unauthenticated attacker with network access to cause a denial of service (DoS) condition or potentially execute arbitrary code by sending specially crafted network traffic. The security risk posed by this issue is minimized when the User-ID Terminal Server Agent connectivity is restricted to only trusted internal IP addresses according to our recommended best practice deployment guidelines https://docs.paloaltonetworks.com/ngfw/help/10-2/user-identification/device-user-identification-terminal-services-agents#:~:text=To%20minimize%20security%20risk%2C%20restrict%20TS%20Agent%20connectivity%20to%20trusted%20internal%20IP%20addresses%20only. . Panorama is not impacted by this vulnerability.
Who should care
- Teams operating Pan-os
- Vulnerability and exposure management teams
- Security operations teams monitoring exploitation activity
Response plan
What I would do
- Confirm whether Pan-os is present in the environment.
- Identify affected versions and establish whether vulnerable services are exposed or reachable.
- Palo Alto Networks Security advisory
- Review relevant security telemetry for evidence of attempted or successful exploitation.
- Document the remediation decision and track it to verified completion.
Treatment intelligence
Remediation intelligence
Vendor sources are listed before government and third-party guidance. Confirm product applicability and change prerequisites before deployment.
Technical details
- CVSS vector
- CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:N/R:U/V:D/RE:M/U:Red
- CWE
- CWE-787
- Affected versions
- Paloaltonetworks Pan-os (Start Including 10.2.0, End Excluding 10.2.7 | Start Including 10.2.8, End Excluding 10.2.10 | Start Including 10.2.11, End Excluding 10.2.13 | Start Including 10.2.14, End Excluding 10.2.16)
- Fixed versions
- Paloaltonetworks Pan-os (Fixed from 10.2.7, 10.2.10, 10.2.13, 10.2.16, 11.1.4, 11.1.10, 11.1.13, 11.1.16, 11.2.4, 11.2.7, 11.2.10, 11.2.13, 12.1.4, 12.1.7)
- Published
- 8 July 2026
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
Signal timeline
- CVE published
- Latest EPSS score: 1.0%
- Signal calculated at 12