Critical9.2Vendor: HighPalo Alto Networks
CVE-2026-0288 PAN-OS: Buffer Overflow Vulnerabilities in User-ID Terminal Server Agent
CVE-2026-0288 Published Jul 8, 2026
CVE-2026-0288
Affected products & platforms
Palo Alto NetworksPAN-OSFirewall
Summary
CVE-2026-0288 PAN-OS: Buffer Overflow Vulnerabilities in User-ID Terminal Server Agent
Affected versions
- PAN-OS < 12.1.8
- PAN-OS < 11.2.13
- PAN-OS < 11.1.16
- PAN-OS < 10.2.7-h36
- Prisma Access < 11.2.7-h18
- Prisma Access < 10.2.10-h39
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
Fixed versions
- PAN-OS >= 12.1.8
- PAN-OS >= 12.1.7-h2
- PAN-OS >= 12.1.4-h8
- PAN-OS >= 11.2.13
- PAN-OS >= 11.2.10-h12
- PAN-OS >= 11.2.7-h18
- PAN-OS >= 11.2.4-h20
- PAN-OS >= 11.1.16
- PAN-OS >= 11.1.13-h9
- PAN-OS >= 11.1.10-h30
- PAN-OS >= 11.1.7-h8
- PAN-OS >= 11.1.6-h35
- PAN-OS >= 11.1.4-h35
- PAN-OS >= 10.2.18-h8
- PAN-OS >= 10.2.16-h9
- PAN-OS >= 10.2.13-h23
- PAN-OS >= 10.2.10-h39
- PAN-OS >= 10.2.7-h36
- Prisma Access >= 11.2.7-h18
- Prisma Access >= 10.2.10-h39
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
Mitigation checklist
Recommended fix / mitigation
- VersionMinor VersionSuggested SolutionCloud NGFWNo action needed.
- PAN-OS 12.1 12.1.5 through 12.1.7-h* Upgrade to 12.1.7-h2 or 12.1.8 or later. 12.1.2 through 12.1.4-h* Upgrade to 12.1.4-h8 or 12.1.8 or later.
Temporary workarounds
- The vast majority of firewalls already follow Palo Alto Networks' and industry best practices.
- However, if you have not already, we strongly recommend that you restrict your User-ID Terminal Server Agent connectivity to only trusted internal IP addresses according to our best practice deployment guidelines
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
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