Palo Alto Networks (Prisma Browser, Cloud NGFW, PAN-OS, Prisma Access) Product Family January 2026 Security Update Advisory
Overview
Palo Alto Networks(https://www.paloaltonetworks.com/) has released a security update that fixes vulnerabilities in products it has been made. users of affected products are advised to update to the latest version.
Affected Products
Prisma Browser version 142.21.4.163 and earlier
Cloud NGFW,PAN-OS,Prisma Access None
Cloud NGFW,PAN-OS,Prisma Access 12.1.3-h3, < 12.1.4
Cloud NGFW,PAN-OS,Prisma Access 11.2.4-h15, < 11.2.7-h8, < 11.2.10-h2
Cloud NGFW,PAN-OS,Prisma Access 11.1.4-h27, < 11.1.6-h23, < 11.1.10-h9, < 11.1.13 or earlier
Cloud NGFW,PAN-OS,Prisma Access 10.2.7-h32, < 10.2.10-h30, < 10.2.13-h18, < 10.2.16-h6, < 10.2.18-h1 or earlier
Cloud NGFW,PAN-OS,Prisma Access 10.1.14-h20 and earlier
Cloud NGFW,PAN-OS,Prisma Access 11.2.7-h8* and earlier
Cloud NGFW,PAN-OS,Prisma Access 10.2.10-h29* and earlier
Resolved Vulnerabilities
In Prisma Browser, Palo Alto Networks incorporated the following Chromium security fixes into our products:
* https://chromereleases.googleblog.com/2025/10/stable-channel-update-for-desktop_28.html (PAN-SA-2026-0001, CVSS 8.6) [1]
Denial of Service (DoS) attack vulnerability against the firewall in Cloud NGFW,PAN-OS,Prisma Access (CVE-2026-0227, CVSS 8.7) [2]
Vulnerability Patches
The following product-specific vulnerability patches were made available in the 01/14/2026 update
Prisma Browser 143.37.2.193 and later versions
Cloud NGFW,PAN-OS,Prisma Access All
Cloud NGFW,PAN-OS,Prisma Access 12.1.3-h3, >= 12.1.4 and later versions
Cloud NGFW,PAN-OS,Prisma Access 11.2.4-h15 (ETA: 1/14/2026), >= 11.2.7-h8, >= 11.2.10-h2 and later
Cloud NGFW,PAN-OS,Prisma Access 11.1.4-h27, >= 11.1.6-h23, >= 11.1.10-h9, >= 11.1.13 and later
Cloud NGFW,PAN-OS,Prisma Access 10.2.7-h32, >= 10.2.10-h30, >= 10.2.13-h18, >= 10.2.16-h6, >= 10.2.18-h1 and later
Cloud NGFW,PAN-OS,Prisma Access 10.1.14-h20 and later
Cloud NGFW,PAN-OS,Prisma Access 11.2.7-h8* and later
Cloud NGFW,PAN-OS,Prisma Access 10.2.10-h29* and later
Referenced Sites
[1] Chromium: Monthly Vulnerability Update (January 2026)
https://security.paloaltonetworks.com/PAN-SA-2026-0001
[2] PAN-OS: Firewall Denial of Service (DoS) in GlobalProtect Gateway and Portal