CVE-2026-0277 Prisma Access Agent: Improper Certificate Validation on iOS (Severity: MEDIUM)
CSIRTS triage
- What
- There is an improper certificate validation issue on iOS.
- Who is affected
- Users of Prisma Access Agent on iOS are affected.
- Urgency
- Remediation is medium urgency due to the potential for exploitation.
- Action
- Update to the latest version of Prisma Access Agent.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://security.paloaltonetworks.com/CVE-2026-0277
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-02770.20% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 10% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-0277 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
Recent advisories for Prisma Access Agent
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- unknownCVE-2026-0294: A privilege escalation (PE) vulnerability in the Palo Alto Networks Prisma® Access Agent app on…nvd · 2026-08-13
- unknownCVE-2026-0293: A vulnerability in Palo Alto Networks Prisma® Access Agent on Windows enables a local attacker …nvd · 2026-08-13
- unknownCVE-2026-0292: An authentication bypass vulnerability in the network driver of Palo Alto Networks Prisma® Acce…nvd · 2026-08-13
- unknownCVE-2026-0291: An improper link resolution before file access vulnerability exists in the Palo Alto Networks P…nvd · 2026-08-13
- lowCVE-2026-0292 Prisma Access Agent: Local Security Inspection Bypass Vulnerability on Windows (Severity: LOW)paloalto · 2026-08-12
- mediumCVE-2026-0293 Prisma Access Agent: Anti-Tamper Protection Bypass on Windows (Severity: MEDIUM)paloalto · 2026-08-12
More from Palo Alto Networks Security Advisories
- highPAN-SA-2026-0011 Chromium: Monthly Vulnerability Update (August 2026) (Severity: HIGH)2026-08-12
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- mediumCVE-2026-0299 GlobalProtect App: Local Privilege Escalation Vulnerabilities (Severity: MEDIUM)2026-08-12
- mediumCVE-2026-0296 GlobalProtect App: Improper Certificate Validation Bypass Vulnerability (Severity: MEDIUM)2026-08-12
- mediumCVE-2026-0294 Prisma Access Agent: Local Privilege Escalation (Severity: MEDIUM)2026-08-12