


Medium
CVE-2026-0229, CVE-2026-0228, CVE-2026-0899, CVE-2026-0900, CVE-2026-0901, CVE-2026-0902, CVE-2026-0903, CVE-2026-0904, CVE-2026-0905, CVE-2026-0906, CVE-2026-0907, CVE-2026-0908, CVE-2026-1504, CVE-2026-1861, CVE-2026-1862
Palo Alto Networks
February 19, 2026
Palo Alto patches Chromium RCE flaws in Prisma Browser and PAN-OS DoS vulnerability. No active exploitation reported.
Palo Alto Networks
Risk is assessed as Medium overall, with higher impact potential in environments heavily reliant on Prisma Browser or PAN-OS firewall infrastructure. Successful exploitation of the browser vulnerabilities could result in arbitrary code execution within the context of the logged-in user, potentially leading to credential theft, malware installation, or lateral movement depending on endpoint controls. UI spoofing flaws may also facilitate phishing-style attacks by misleading users about security indicators.
The PAN-OS denial-of-service vulnerability presents availability risk. An unauthenticated attacker capable of reaching vulnerable firewall interfaces could repeatedly trigger reboots, causing service outages or forcing devices into maintenance mode. While this does not directly enable data compromise, disruption of perimeter defenses may create secondary exposure or operational downtime.
The certificate validation flaw carries limited severity but weakens trust enforcement where Terminal Server Agents are deployed. Although no active exploitation has been observed, organizations operating exposed management or firewall interfaces should prioritize patching to prevent opportunistic targeting.
Our security experts can help you assess affected systems, validate risk and support a safe remediation plan.
Discuss Your Security ExposureExplore MDR for Palo AltoAssess your risk
Identify affected systems
Plan remediation
Practical, vendor-aligned guidance
Get expert support
From our 24/7 security team
Get the latest threat intelligence and security advisories from Smarttech247.
View All Threat UpdatesDownload the complete analysis, including detailed technical findings and references.