PALO ALTO NETWORKSVERIFIED
Prisma Access Agent: Anti-Tamper Protection Bypass on Windows
Checked 9 Oct 2026. BlackTree preserves the last verified facts if a later source check is temporarily unavailable.
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SECURITY ADVISORYPALO ALTO NETWORKSVERIFIED
PUBLISHER UPDATE · CVE-2026-0293
CVE-2026-0293 release notes and known issues
Prisma Access Agent: Anti-Tamper Protection Bypass on Windows
Scope: Prisma Access Agent. This update record adds version, fix and known-issue context. Its publication date is not a lifecycle boundary.
Summary
A vulnerability in Palo Alto Networks Prisma® Access Agent on Windows enables a local attacker with administrator privileges to bypass the anti-tamper protection, enabling unauthorized access to protected processes and files. The Prisma Access Agent on Linux, macOS, iOS, Android, and Chrome OS is not affected.
Known issues
Publisher statementNot stated. The verified publisher record does not contain a known-issues statement.
Affected products and versions
Products
- Prisma Access Agent
Affected versions
- < 26.3 on Windows
- None on Linux, None on macOS, None on iOS, None on Android, None on Chrome OS
Fixed versions or updates
- >= 26.3 on Windows (ETA: 08/20)
- All on Linux, All on macOS, All on iOS, All on Android, All on Chrome OS
Recommended action
VERSION MINOR VERSION SUGGESTED SOLUTION Prisma Access Agent on Windows 24.0 through 26.2.2 Upgrade to 26.3 or later. Prisma Access Agent on macOS No action needed. Prisma Access Agent on Linux No action needed. Prisma Access Agent on iOS No action needed. Prisma Access Agent on Android No action needed. Prisma Access Agent on Chrome OS No action needed. All older unsupported versions Upgrade to a supported fixed version.