8.1

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

Analyzed
Published 13-05-2026Last modified 14-05-2026

Vulnerability summary

CVE-2026-0250 is a high (CVSS 8.1) Out-of-bounds Write vulnerability in palo alto networks globalprotect app. EPSS estimates a 0.39% chance of exploitation in the next 30 days, higher than 32.1% of scored vulnerabilities.

Overall risk
32/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.1/10
010
High · v3.1 (NVD)
EPSS score
0.39%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Timeline

  1. 13-05-2026
    PublishedVulnerability first disclosed.
  2. 14-05-2026
    Last modifiedVulnerability information updated.

Description

A buffer overflow vulnerability exists in the Palo Alto Networks GlobalProtect™ app that enables a man in the middle attacker to disrupt system processes and potentially execute arbitrary code with SYSTEM privileges. This vulnerability is triggered during the processing of requests and responses exchanged between Portal and Gateway. The GlobalProtect app on iOS is not affected.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

0.39%

Chance of exploitation in the next 30 days

Percentile

32%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.39% on 22-09-2026

22-09-202622-10-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Palo alto networks2 products
  • globalprotect app≥ 6.3.0, < 6.3.3-h9 (6.3.3-999) | ≥ 6.2.0, < 6.2.8-h10 (6.2.8-948) | ≥ 6.1, < 6.1.13 | ≥ 6.3.0, < 6.3.3-h2 (6.3.3-42) | ≥ 6.0.0, < 6.0.11 | ≥ 6.0, < 6.0.13 | ≥ 6.0, < 6.0.14
  • globalprotect uwp app≥ 6.3, < 6.3.3-h10
Paloaltonetworks1 product
  • globalprotect≥ 6.0.0, < 6.0.12 | ≥ 6.0.0, < 6.0.13 | ≥ 6.0.0, < 6.0.15 | ≥ 6.1.0, < 6.1.14 | ≥ 6.2.0, < 6.2.8 | ≥ 6.3.0, < 6.3.3 | ≥ 6.3.0, < 6.3.4 | 6.2.8 | 6.2.8:h1 | 6.2.8:h7 | 6.3.3 | 6.3.3:h1 | 6.3.3:h2 | 6.3.3:h3 | 6.3.3:h4 | 6.3.3:h6 | 6.3.3:h7 | 6.3.3:h8 | 6.3.3:h9

2 vendors · 3 products

References

1 links