CVE-2026-0297 GlobalProtect App: Buffer Overflow Vulnerability during UDP Tunnel Handshake (Severity: MEDIUM)
CSIRTS triage
- What
- A buffer overflow vulnerability exists during UDP tunnel handshake processing.
- Who is affected
- GlobalProtect App deployments handling UDP tunnel handshakes.
- Urgency
- Medium severity; not currently exploited but buffer overflows pose significant risk.
- Action
- Apply the vendor patch when available.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://security.paloaltonetworks.com/CVE-2026-0297
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-2026-02970.16% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 6% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-0297 | 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 GlobalProtect App
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.
- high[NEW] [high] Palo Alto Networks GlobalProtect App: Multiple vulnerabilitiescert-bund · 2026-08-13
- unknownCVE-2026-0299: Local privilege escalation vulnerabilities in the Palo Alto Networks GlobalProtect™ app enable …nvd · 2026-08-13
- unknownCVE-2026-0298: An improper input validation vulnerability exists in the Windows Pre-Logon Access Provider (PLA…nvd · 2026-08-13
- unknownCVE-2026-0297: A buffer overflow vulnerability exists in the Palo Alto Networks GlobalProtect™ app that enable…nvd · 2026-08-13
- unknownCVE-2026-0296: Improper certificate validation vulnerabilities in Palo Alto Networks GlobalProtect™ app enable…nvd · 2026-08-13
- mediumCVE-2026-0295 GlobalProtect App: Local Privilege Escalation via Race Condition on macOS (Severity: MEDIUM)paloalto · 2026-08-12
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