CISA added the Fortinet FortiSandbox OS command injection vulnerability CVE-2026-39808 to its Known Exploited Vulnerabilities catalog on 2026-07-16. Federal agencies have until 2026-07-19 to apply vendor mitigations under BOD 26-04 or discontinue use if patches are unavailable.
Corrected source_url KEV search from CVE-2026-58644 (SharePoint) to CVE-2026-39808 (FortiSandbox), matching the article subject.
The flaw, tracked as CVE-2026-39808, could allow an unauthenticated attacker to execute unauthorized code or commands via crafted HTTP requests.
If mitigations are unavailable, they must discontinue use of the product.
Enterprises running on-premises SharePoint should treat this KEV addition as an immediate patching priority given confirmed active exploitation.
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Microsoft Dataverse is affected by critical vulnerability CVE-2026-88131, which allows remote code execution. The flaw scores 9.8 on CVSS; Microsoft says it has already fully mitigated it and customers have nothing to patch.
Microsoft has disclosed CVE-2026-83947, a CVSS 7.7 HIGH spoofing vulnerability in Azure Event Grid caused by missing authorization. Microsoft says it has already fully mitigated the cloud-service flaw and customers have nothing to do.
A critical vulnerability CVE-2026-77900 affects Microsoft Azure App Service for Linux with a CVSS score of 9.8. The flaw allows an unauthenticated attacker to execute code over the network. Microsoft says it has already fully mitigated the flaw; no customer action is needed.
IBM Security Verify Access 10.0 through 10.0.9.2 and IBM Verify Identity Access 11.0 through 11.0.3 contain critical authentication bypass flaw CVE-2026-16823. The NVD rates it 9.1 and warns of remote exploitation without credentials.
Red Hat OpenShift Container Platform 4 is affected by CVE-2026-93017, a high-severity flaw that lets attackers read every secret in every namespace. The 7.7 CVSS score reflects broad access granted through an unrestricted ClusterRole on the insights-operator-gather service account.
