CVE-2026-0277 Prisma Access Agent: Improper Certificate Validation on iOS (Severity: MEDIUM)

mediumCVE-2026-0277

CSIRTS triage

vendor: Palo Alto Networks product: Prisma Access AgentOther

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

Source: Palo Alto Networks Security Advisories (INTL · vendor-psirt · site)
Severity: medium
Published: 2026-07-08
Exploitation: Not in CISA KEV at last sync

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-2026-02770.13% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 3% of all 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.

unknownCVE-2026-0277: An improper certificate validation vulnerability in the Prisma® Access Agent for iOS enables an…nvd

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-2026-0278: Multiple protection mechanism failures in the Prisma Access Agent Data Loss Prevention (DLP) co…nvd · 2026-07-09
unknownCVE-2026-0277: An improper certificate validation vulnerability in the Prisma® Access Agent for iOS enables an…nvd · 2026-07-09
mediumCVE-2026-0278 Prisma Access Agent: Multiple DLP Policy Bypass Vulnerabilities on Windows (Severity: MEDIUM)paloalto · 2026-07-08
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mediumCVE-2026-0268 Prisma Access Agent: Local Authenticated VPN Enforcement Bypass on Linux (Severity: MEDIUM)paloalto · 2026-06-10
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