CVE-2026-0293 Prisma Access Agent: Anti-Tamper Protection Bypass on Windows
Exploit Maturity
UNREPORTED
Response Effort
MODERATE
Recovery
N/A
Value Density
DIFFUSE
Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
NONE
Automatable
NO
User Interaction
NONE
Product Confidentiality
HIGH
Product Integrity
HIGH
Product Availability
NONE
Privileges Required
HIGH
Subsequent Confidentiality
NONE
Subsequent Integrity
NONE
Subsequent Availability
NONE
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.
Product Status
| Versions | Affected | Unaffected |
|---|---|---|
| Prisma Access Agent | None on Linux None on macOS None on iOS None on Android None on Chrome OS | All on Linux All on macOS All on iOS All on Android All on Chrome OS |
| Prisma Access Agent | < 26.3 on Windows | >= 26.3 on Windows (ETA: 08/20) |
Required Configuration for Exposure
No special configuration is required to be affected by this issue.
Severity: MEDIUM, Suggested Urgency: MODERATE
CVSS-BT: 5.6 / CVSS-B: 8.3 (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/AU:N/V:D/RE:M/U:Amber)
Exploitation Status
Palo Alto Networks is not aware of any malicious exploitation of this issue.
Weakness Type and Impact
CWE-693 Protection Mechanism Failure
CAPEC-159 Redirect Access to Libraries
Solution
| 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 and Mitigations
No known workarounds exist for this issue.
Acknowledgments
Palo Alto Networks thanks Daniel Cuthbert and Vladislav Ovitchinikov from Banco Santander for discovering and reporting this issue.
CPE Applicability
- cpe:2.3:a:palo_alto_networks:prisma_access_agent:*:*:*:*:*:Windows:*:* is vulnerable from (including)24.0 and up to (excluding)26.2.2
Timeline
Initial publication.