On April 14th and 15th, Fortinet disclosed 27 new vulnerabilities affecting a wide range of its products. The most severe of the new flaws, CVE-2026-39808 (CVSS 9.8) and CVE-2026-39813 (CVSS 9.8) allow unauthenticated remote code execution (RCE) on the FortiSandbox service. FortiSandbox is Fortinet’s remote sandboxing and malware analysis service, distributed as on premises hardware […]
In early April, Cisco announced two critical-severity CVEs along with additional high and medium-severity vulnerabilities. Collectively, the flaws allow authentication bypass, privilege escalation to an Administrator account, unauthenticated remote code execution (RCE) as the root user, information disclosure, and Denial of Service conditions. The two critical flaws are CVE-2026-20160 (CVSS 9.8) affecting Cisco Smart Software […]
Fortinet FortiClient EMS faces immediate risk from two critical severity CVEs: CVE-2026-35616 in versions 7.4.5-7.4.6 and CVE-2026-21643 in 7.4.4. CVE-2026-35616 (CVSS 9.8) is an actively exploited vulnerability in Fortinet FortiClient Enterprise Management Server (EMS) 7.4.5 through 7.4.6, published on April 4, 2026. The flaw is an improper access control [CWE-284] that can be exploited for […]
This month exposed new cyber security risks at all levels of enterprise IT infrastructure. New critical vulnerability exposure emerged in perimeter networking gear and core network appliances. Other risks included actively exploited flaws in major browsers, enterprise email clients, agentic workflow platforms, core OS components, and virtually every other aspect of the enterprise IT ecosystem. […]
On March 12th, 2026, Veeam published two security advisories containing 7 critical and one high-severity vulnerability in its Backup & Replication server. The flaws cumulatively affect the version 12 and 13 builds. Although there are no reports of active exploitation or public proof-of-concept (PoC) exploits available yet, Veeam has appeared on CISA’s Known Exploited Vulnerabilities […]
February 2026’s cyber security headlines were dominated by the sudden emerging risk of CVE-2026-20127, a critical-severity vulnerability in Cisco Catalyst SD-WAN. However, this month, other high-risk vulnerabilities impacting widely deployed enterprise software also opened new gaps for attackers to exploit. To effectively defend IT infrastructure, security teams need granular visibility, reliable threat intelligence for prioritization, […]
! Update March 6, 2026 New Actively Exploited Flaws in Cisco Catalyst SD-WAN Of the five additional vulnerabilities affecting Catalyst SD-WAN that were disclosed in a second security report the same day, CVE-2026-20128 CVSS 7.5 and CVE-2026-20122 CVSS 5.4 are now reported by Cisco as actively exploited in the wild. No PoCs for either CVE […]
So far, 2026 is off to a raucous start. With so much activity in the software vulnerability landscape it’s easy to understand the concerns of global executives discussed in Part 1 of the January 2026 Threat Report. This volatility also highlights the value of Greenbone’s industry-leading detection coverage. In Part 2 of the January Threat […]
So far, 2026 is off to a raucous start. The number of critical severity vulnerabilities impacting widely deployed software is staggering. Defenders need to scan widely and scan often to detect new threats in their infrastructure and prioritize mitigation efforts based on the potential impact to business operations, privacy regulations, and other compliance responsibilities. Defenders […]
On January 13th, 2026, Fortinet publicly disclosed and patched CVE-2025-64155 (CVSS 9.8) affecting FortiSIEM along with five additional vulnerabilities across its product line [1][2][3][4][5]. In particular, CVE-2025-64155 represents high-risk exposure; immediately after its release, active exploitation was reported. The flaw was responsibly disclosed to Fortinet almost six months ago (August 2025), by Horizon3.ai. Greenbone includes […]
