CVE-2026-0277

MEDIUMPre-NVD 5.75.7
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 5.7 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.1%, top 97% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, secondary
Trending — 4 sources updated this week
5.7
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 5.7Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
5.7
EG Score
5.7(medium)
EPSS
2.6%
KEV
Not listed

Published

July 9, 2026

Last Modified

July 10, 2026

Advisory Details (1)

Auto-updated Jul 9, 2026
No patch confirmed yet.
generic

CVE-2026-0277 Prisma Access Agent: Improper Certificate Validation on iOS

https://security.paloaltonetworks.com/CVE-2026-0277

Vendor Advisories for CVE-2026-0277(2)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 10× in last 7d / 10× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-12 15:03 UTCEG score recompute
  2. 2026-07-12 15:03 UTCGHSA enrichment
  3. 2026-07-12 05:46 UTCEPSS rescore
  4. 2026-07-11 16:39 UTCEG score recompute
  5. 2026-07-11 16:39 UTCGHSA enrichment
  6. 2026-07-11 08:27 UTCEPSS rescore
  7. 2026-07-10 18:15 UTCEG score recompute
  8. 2026-07-10 18:15 UTCGHSA enrichment
  9. 2026-07-09 19:51 UTCEG score recompute
  10. 2026-07-09 19:50 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-0277?
CVE-2026-0277 is a medium vulnerability published on July 9, 2026. 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.
When was CVE-2026-0277 disclosed?
CVE-2026-0277 was first published in the National Vulnerability Database on July 9, 2026, with the most recent update on July 10, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-0277 actively exploited?
CVE-2026-0277 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 2.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-0277?
CVE-2026-0277 has a CVSS v3 base score of 5.7 (NVD).
How do I remediate CVE-2026-0277?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-0277, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-0277

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