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CVE-2026-0297

GlobalProtect App: Buffer Overflow Vulnerability during UDP Tunnel Handshake

HIGH
8.1
CVSS Score
Published: August 13, 2026 at 02:01 AM UTC
Updated: October 23, 2026 at 07:10 PM UTC
2 products affected across 2 vendorsGlobalProtectglobalprotect_app

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Severity
HIGH8.1
Exploit prediction
EPSS 0.6%
SSVC
No known exploit

Description

A buffer overflow vulnerability exists in the Palo Alto Networks GlobalProtect™ app that enables a man-in-the-middle (MitM) attacker or a rogue gateway to disrupt system processes and potentially execute arbitrary code with elevated privileges (SYSTEM privileges on Windows, and root privileges on macOS and Linux).

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

globalprotect_app· Palo Alto Networks
95%
6.0.06.0.16.0.106.0.116.0.126.0.136.0.146.0.26.0.36.0.46.0.56.0.66.0.76.0.86.2.06.2.16.2.26.2.36.2.46.2.66.2.76.2.86.2.8-c2436.2.8-c2636.2.8-c3176.2.8-c4166.2.8-c4316.2.8-c4716.2.8-c9106.2.8-c9486.2.8-c9826.2.96.3.06.3.16.3.26.3.3
GlobalProtect· Palo Alto Networks
95%
6.0.0 ≤ v < 6.0.156.2.0 ≤ v ≤ 6.2.96.2.0 ≤ v < 6.2.86.3.0 ≤ v < 6.3.36.3.0 ≤ v < 6.3.56.0.06.2.06.2.86.2.8 h16.2.8 h106.2.8 h116.2.8 h126.2.8 h26.2.8 h36.2.8 h46.2.8 h56.2.8 h66.2.8 h76.2.8 h86.2.8 h96.3.06.3.36.3.3 h16.3.3 h116.3.3 h126.3.3 h26.3.3 h36.3.3 h46.3.3 h66.3.3 h76.3.3 h86.3.3 h9
Affected range stops below 6.0.15, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.2.8, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.2.8-h13, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.3.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.3.3-h14, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.3.3-h15, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.3.5, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor Advisory
Source: cverecord
https://security.paloaltonetworks.com/CVE-2026-0297

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.1HIGH[email protected]
Attack Vector
NETWORK
Complexity
HIGH
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusUNDERGOING ANALYSIS
CWE
CWE-787

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