PatchTheCVECVE-2026-0277: An improper certificate validation vulnerability in the Prisma® Access Agent for iOS enables an attacker to pe
CVE-2026-0277 is a medium-severity flaw (CVSS 5.9) affecting prisma access agent. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
An improper certificate validation vulnerability in the Prisma® Access Agent for iOS enables an attacker to perform a man-in-the-middle (MitM) attack to intercept VPN traffic. The Prisma Access Agent on Windows, macOS, Linux, Android and ChromeOS are not affected.
Why this priority
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 5.9 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | High |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.2% (top 90%) |
| CISA exploited list | No |
| Weakness | CWE-295 |
| Published | 2026-07-09 |
| Last modified | 2026-10-25 |
Last updated 2026-10-25 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-0277?
prisma access agent: upgrade to 26.2.1. Exact commands for each OS are on this page.
Is CVE-2026-0277 being exploited?
CVE-2026-0277 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-0277 affect?
CVE-2026-0277 affects prisma access agent. Severity is medium (CVSS 5.9). An improper certificate validation vulnerability in the Prisma® Access Agent for iOS enables an attacker to perform a man-in-the-middle (MitM) attack to intercept VPN traffic. The Prisma Access Agent on Windows, macOS, Linux, Android and
How urgent is CVE-2026-0277?
Priority 28/100. Remotely exploitable, no login, no user action
Software pages
Windows vulnerabilities · Android vulnerabilities · iOS vulnerabilities · macOS vulnerabilities
Related CVEs
- CVE-2026-0278 HIGH 7.8 UPGRADE Multiple protection mechanism failures in the Prisma Access Agent Data Loss Prevention (DLP) component for Win
- CVE-2026-0294 HIGH 7.8 UPGRADE A privilege escalation (PE) vulnerability in the Palo Alto Networks Prisma® Access Agent app on Windows and ma
- CVE-2026-0292 MEDIUM 6.0 UPGRADE An authentication bypass vulnerability in the network driver of Palo Alto Networks Prisma® Access Agent on Win
- CVE-2026-0293 MEDIUM 6.0 UPGRADE A vulnerability in Palo Alto Networks Prisma® Access Agent on Windows enables a local attacker with administra
- CVE-2026-0291 MEDIUM 4.4 UPGRADE An improper link resolution before file access vulnerability exists in the Palo Alto Networks Prisma® Access A