CVE-2026-0278: Prisma Access Agent: Multiple DLP Policy Bypass Vulnerabilities on Windows
Analyzed
Published 09-07-2026Last modified 11-07-2026
Vulnerability summary
CVE-2026-0278 is a high (CVSS 7.8) Protection Mechanism Failure vulnerability in palo alto networks prisma access agent. EPSS estimates a 0.15% chance of exploitation in the next 30 days, higher than 4.2% of scored vulnerabilities.
CVSS score
7.8/10
010
High · v3.1 (NVD)EPSS score
0.15%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded
Timeline
- 09-07-2026PublishedVulnerability first disclosed.
- 11-07-2026Last modifiedVulnerability information updated.
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.
CVSS metrics
3 scores · 2 sources · 2 versionsMedium 5.8Preferred score · CVE.org (CNA)
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:AmberSourcesAll 2 agree
- NVDNIST5.8MediumCVSS: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/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:A/V:C/RE:H/U:Amber
High 7.8Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSourcesSingle source
EPSS trend
Probability
0.15%
Chance of exploitation in the next 30 days
Percentile
4%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.15% on 22-09-2026
22-09-202622-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Palo alto networks1 product
- prisma access agent≥ 24.0, < 26.2.1
Paloaltonetworks1 product
- prisma_access_agent< 26.2.1
2 vendors · 2 products
References
1 links- security.paloaltonetworks.com/CVE-2026-0278Vendor Advisory