Prisma Access Agent: Anti-Tamper Protection Bypass on Windows
Summary
| CVE | CVE-2026-0293 |
|---|---|
| State | PUBLISHED |
| Assigner | palo_alto |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-08-13 03:16:44 UTC |
| Updated | 2026-08-13 03:16:44 UTC |
| Description | 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. |
Risk And Classification
Primary CVSS: v4.0 5.6 MEDIUM from [email protected]
CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/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:X/V:D/RE:M/U:Amber
Problem Types: CWE-693 | CWE-693 CWE-693 Protection Mechanism Failure
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 4.0 | [email protected] | Secondary | 5.6 | MEDIUM | CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/C... |
| 4.0 | CNA | CVSS | 5.6 | MEDIUM | CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/A... |
CVSS v4.0 Breakdown
CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/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:X/V:D/RE:M/U:Amber
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Palo Alto Networks | Prisma Access Agent | affected 26.3 custom | Windows |
| CNA | Palo Alto Networks | Prisma Access Agent | unaffected All custom | Linux, macOS, iOS, Android, Chrome OS |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| security.paloaltonetworks.com/CVE-2026-0293 | [email protected] | security.paloaltonetworks.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: Palo Alto Networks thanks Daniel Cuthbert and Vladislav Ovitchinikov from Banco Santander for discovering and reporting this issue. (en)
Additional Advisory Data
| Source | Time | Event |
|---|---|---|
| CNA | 2026-08-12T16:00:00.000Z | Initial publication. |
Solutions
CNA: 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.
Workarounds
CNA: No known workarounds exist for this issue.
Exploits
CNA: Palo Alto Networks is not aware of any malicious exploitation of this issue.