PALO ALTO Security Advisory
Published Date: Not specified
CVE: CVE-2026-0299
Advisory Summary
🛡️ 🔎 CVE-2026-0299 — GlobalProtect App Local Privilege Escalation (Severity: MEDIUM)
- This advisory highlights local privilege escalation risk in the GlobalProtect App, meaning an attacker with local access could potentially elevate privileges on an affected endpoint.
- Even with MEDIUM severity, privilege escalation flaws can rapidly become high-impact when combined with endpoint access, misconfiguration, or other initial access vectors.
- GlobalProtect App on endpoints (especially where users or processes may have opportunities for local code execution).
- Environments with higher likelihood of endpoint exposure: remote work setups, unmanaged devices, or systems with weaker local access controls.
🧯 ✅ Security actions / What to do now
1. Check your GlobalProtect App version against the advisory’s affected versions.
2. Apply the vendor-provided patch / software update as directed by Palo Alto Networks.
3. Enforce endpoint least privilege (reduce likelihood that local execution can translate into meaningful escalation).
4. Monitor for suspicious local activity patterns consistent with privilege escalation attempts (endpoint telemetry + EDR signals).
- Because this is a local issue, exploitation typically requires an attacker to already have a foothold on the endpoint.
- The practical risk increases if endpoints are frequently accessed by untrusted users, or if local execution is easier due to browser/download behavior, weak permissions, or lack of application control.
- Expect security teams to prioritize rapid patch validation for GlobalProtect deployments, especially in organizations with large remote-access footprints.
- This continues the broader trend of endpoint remote-access clients receiving attention due to their central role in enterprise connectivity.
🔗
-2026-0299
Reference: Vendor Advisory