Actively exploited
Listed in CISA’s Known Exploited Vulnerabilities catalog since July 16, 2026.
CVE-2026-25089
Fortinet FortiSandbox OS Command Injection Vulnerability
Added to KEV July 16, 2026
Alert details
- Source feed
- CISA KEV
- CVE ID
- CVE-2026-25089
- CWE
- CWE-78
- Affected products
- FortiSandbox · Fortinet FortiSandbox · Fortinet
What happened
Fortinet FortiSandbox, FortiSandbox Cloud, and FortiSandbox PaaS contain an OS command injection vulnerability that allows an unauthenticated attacker to execute unauthorized commands via specifically crafted HTTP requests.
What it means for your business
Fortinet FortiSandbox is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2026-25089). Fortinet FortiSandbox, FortiSandbox Cloud, and FortiSandbox PaaS contain an OS command injection vulnerability that allows an unauthenticated attacker to execute unauthorized commands via specifically crafted HTTP requests. CISA remediation due date: 2026-07-19. If you need help checking exposure, call (864) 335-9223.
Required action
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
CISA due date: July 19, 2026
Sources
Related briefs
Fortinet Multiple Products Heap-based Buffer Overflow Vulnerability
Fortinet Multiple Products is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2025-25249). Fortinet FortiOS, FortiSwitchManager, and FortiSASE contain a heap-based buffer overflow vulnerability that allows an attacker to execute unauthorized code or commands via specially crafted packets. CISA remediation due date: 2026-09-12. If you need help checking exposure, call (864) 335-9223.
Microsoft Edge (Chromium-based) Elevation of Privilege vulnerability
Microsoft Edge (Chromium-based) Elevation of Privilege vulnerability (CVE-2026-88097) was added to Microsoft’s security update guidance. <p>Use after free in Microsoft Edge (Chromium-based) allows an unauthorized attacker to elevate privileges locally.</p> If you need help checking exposure, call (864) 335-9223.
Linux Kernel Out-of-Bounds Write Vulnerability
Linux Kernel is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2026-53266). Linux Kernel contains an out-of-bounds write vulnerability in the ebtables SNAT target which allows an ARP sender hardware address rewrite to write directly into a nonlinear socket-buffer fragment backed by a splice-imported file page. The impacted product(s) could be end-of-life (EoL) and/or end-of-service (EoS). Users are advised to discontinue use and/or transition to a supported version. CISA remediation due date: 2026-09-21. If you need help checking exposure, call (864) 335-9223.
Out of bounds memory access in V8 in Microsoft Edge vulnerability
Out of bounds memory access in V8 in Microsoft Edge vulnerability (CVE-2026-0899) was added to Microsoft’s security update guidance. Information published. If you need help checking exposure, call (864) 335-9223.
Need help patching?
PremierePC monitors KEV alerts for managed clients and helps teams prioritize remediation before attackers do.