PALO ALTO Security Advisory
Published Date: Not specified
CVE: CVE-2026-0299
Advisory Summary
🛡️ Title: ⚠️ CVE-2026-0299 — GlobalProtect App Local Privilege Escalation (Severity: MEDIUM)
🔎 What’s happening
Palo Alto Networks disclosed CVE-2026-0299, a local privilege escalation issue affecting the GlobalProtect application. While the reported severity is MEDIUM, local privilege escalation vulnerabilities can be high-impact when combined with social engineering, endpoint compromise, or malicious local access.
- Endpoint risk: Successful exploitation can enable an attacker to gain elevated privileges on the affected host.
- Operational exposure: Organizations relying on GlobalProtect for remote access may face increased scrutiny from incident-response teams, auditors, and compliance stakeholders.
- Propagation potential: If an attacker first compromises an endpoint or obtains limited local access, privilege escalation can accelerate lateral movement.
⚠️ Primary risk scenario
An attacker with local access (including compromised user sessions, malware footholds, or malicious insider activity) could attempt to elevate privileges, then leverage that access to compromise sensitive resources or credentials tied to VPN/remote access workflows.
✅ Actionable guidance (recommended next steps)
1. Identify affected versions of GlobalProtect per Palo Alto’s advisory.
2. Apply the security patch / upgrade to the fixed release immediately through your change management process.
3. Prioritize remote-access endpoints (systems with GlobalProtect active, jump hosts, and privileged user devices).
4. Hunt for indicators of exploitation attempts on endpoints (process behavior, unusual privilege changes, and related endpoint telemetry).
5. Reinforce least privilege on endpoints to reduce the blast radius of any local escalation event.
- Ensure endpoint protection and EDR policies are tuned to detect privilege escalation patterns.
- Validate that your remote access usage aligns with MFA and device posture checks where available.
📌
-2026-0299
Reference: Vendor Advisory