High7.7Vendor: MediumPalo Alto Networks

High [CVE-2026-0250] GlobalProtect App: Buffer Overflow Vulnerability during connection to Portal or Gateway

This high-severity Palo Alto Networks advisory covers CVE-2026-0250 affecting GlobalProtect.

CVE-2026-0250 Published Jun 13, 2026

CVE-2026-0250

Affected products & platforms

Palo Alto NetworksGlobalProtect

Open vendor advisory

Android app · Google Play

Monitor future Palo Alto Networks CVEs from your phone.

Choose a whole vendor or a precise platform, then receive matching security advisories by phone notification, email, or both. Coverage follows 32 official vendor sources and 160+ reviewed platform categories.

Matching phone alertsOptional email delivery

Get CVE alerts See app features

Summary

CVE-2026-0250 GlobalProtect App: Buffer Overflow Vulnerability during connection to Portal or Gateway

Affected versions

GlobalProtect App < 6.3.3-h9
GlobalProtect App < 6.2.8-h10
GlobalProtect App < 6.1.14
GlobalProtect App < 6.3.4
GlobalProtect App < 6.3.3-h3
GlobalProtect App < 6.0.12
GlobalProtect App < 6.0.13
GlobalProtect App < 6.0.15
GlobalProtect UWP App < 6.3.3-h10

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Fixed versions

GlobalProtect App >= 6.3.3-h9
GlobalProtect App >= 6.2.8-h10
GlobalProtect App >= 6.1.14
GlobalProtect App >= 6.3.4
GlobalProtect App >= 6.3.3-h3
GlobalProtect App >= 6.0.12
GlobalProtect App >= 6.0.13
GlobalProtect App >= 6.0.15
GlobalProtect UWP App >= 6.3.3-h10

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Mitigation checklist

Recommended fix / mitigation

Upgrade to a fixed release: GlobalProtect App >= 6.3.3-h9; GlobalProtect App >= 6.2.8-h10; GlobalProtect App >= 6.1.14; GlobalProtect App >= 6.3.4; ….

Workaround status

No known workarounds exist for this issue.

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Sources

Official and corroborating records used to build this advisory.

Palo Alto Networks Security Advisoriesofficial
Official vendor feed — the source of truth for this advisory. VulnPulse polled this feed and parsed this entry from it. Discovered from the machine-readable feed https://security.paloaltonetworks.com/rss.xml; this link opens the Palo Alto Networks advisory index instead of the raw feed document.
Palo Alto Networks
Vendor advisory pageofficial
Advisory page fetched and parsed to extract affected/fixed versions and mitigation guidance beyond what the feed carries.
Palo Alto Networks

Cross-references

Validate CVE metadata against the authoritative registries.

CVE-2026-0250NVD CVE.org MITRE

Official resources

GlobalProtect app release notes & upgrade docs
Release notes
This advisory names 6.3.3-h9 / 6.2.8-h10 / 6.1.14 as the first fixed releases — official upgrade documentation for the GlobalProtect app.
Palo Alto Networks Security Advisories portal
Official documentation
Canonical advisory portal — check here for the latest revision of this advisory and affected-version updates.

Discussion(0)

No comments yet. Share field notes, upgrade gotchas, or questions — verify against the vendor advisory before acting on community advice.