CVE-2026-0278 Prisma Access Agent: Multiple DLP Policy Bypass Vulnerabilities on Windows
Exploit Maturity
UNREPORTED
Response Effort
HIGH
Recovery
AUTOMATIC
Value Density
CONCENTRATED
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
LOW
Subsequent Confidentiality
NONE
Subsequent Integrity
NONE
Subsequent Availability
NONE
Description
Multiple protection mechanism failures in the Prisma Access Agent Data Loss Prevention (DLP) component for Windows allow a local user to bypass DLP policy enforcement controls.
The Prisma Access Agent on macOS is not affected.
Product Status
| Versions | Affected | Unaffected |
|---|---|---|
| Prisma Access Agent | None on macOS | All on macOS |
| Prisma Access Agent 0 | < 26.2.1 on Windows | >= 26.2.1 on Windows |
Required Configuration for Exposure
No special configuration is required to be affected by this issue.
Severity: MEDIUM, Suggested Urgency: MODERATE
CVSS-BT: 5.8 / CVSS-B: 8.4 (CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/AU:N/R:A/V:C/RE:H/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-212 Functionality Misuse
Solution
| Version | Minor Version | Suggested Solution |
|---|---|---|
| Prisma Access Agent on Windows |
24.0 through 26.2 | Upgrade to 26.2.1 or later. |
| Prisma Access Agent on macOS | No action needed. |
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)26.2.0 and up to (excluding)26.2.1
Timeline
Initial Publication