Microsoft SQL Server is a widely deployed Microsoft relational database management system used in enterprise environments.
Microsoft SQL Server is a technology platform tracked across 23 threat clusters and 29 intelligence report mentions on ThreatCluster. First observed November 8, 2025; most recent activity July 21, 2026.
Microsoft SQL Server is a widely deployed Microsoft relational database management system used in enterprise environments. It combines data storage and processing with integrated security features, but its complexity creates surface areas for privilege escalation and misconfigurations that attackers frequently exploit. Recent articles illustrate ransomware activity and critical privilege-escalation disclosures affecting SQL Server, underscoring its significance to cybersecurity risk management.
From mid-2024 to early 2026, the Vietnam-aligned APT group OceanLotus has intensified its focus on domestic espionage, utilizing the SPECTRALVIPER backdoor in two major campaigns. The first campaign targeted a…
A credential-harvesting campaign known as 'FortiBleed' has compromised over 75,000 Fortinet firewalls and VPNs across 194 countries. The attackers, suspected to be Russian-speaking cybercriminals, exploited previously…
On March 10, 2026, Microsoft released its Patch Tuesday updates, fixing 79 vulnerabilities, including two zero-day flaws. The updates address critical vulnerabilities across various products, with one zero-day actively…
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has confirmed active exploitation of critical vulnerabilities in Lantronix EDS5000-series devices and Ubiquiti's UniFi OS. The Lantronix vulnerability,…
On June 9, 2026, Microsoft released its largest Patch Tuesday update, addressing 206 vulnerabilities, including three zero-day flaws. Among the critical vulnerabilities, 32 were rated as critical, with 28 classified as…
On July 15, 2026, Microsoft released security patches to address multiple critical vulnerabilities across its software products. The vulnerabilities include Remote Code Execution and Elevation of Privilege issues…
Microsoft has disclosed a critical zero-day vulnerability in SQL Server, tracked as CVE-2026-21262, which allows authenticated attackers to escalate their privileges to the highest administrative level on affected…
The DragonForce ransomware group has been observed using a custom malware, Backdoor.Turn, to conceal command-and-control (C&C) traffic within Microsoft Teams' relay infrastructure. This sophisticated technique allows…
CVE-2026-44861 details SQL injection vulnerabilities in AOS-8 and AOS-10 command-line interfaces. These vulnerabilities allow authenticated attackers with administrative privileges to inject malicious input into…
On March 10, 2026, Microsoft published details about an elevation of privilege vulnerability in Microsoft SQL Server, tracked as CVE-2026-21262. This vulnerability allows attackers to gain higher privileges within the…
Microsoft SQL Server is a widely deployed Microsoft relational database management system used in enterprise environments.
The most recent intelligence report mentioning Microsoft SQL Server on ThreatCluster is dated July 21, 2026. Activity was first observed November 8, 2025, giving a tracked span from then to July 21, 2026.
Across ThreatCluster reporting, Microsoft SQL Server most frequently co-occurs with Apt28, Apt32, Apt-c-00, CobaltKitty, Hackledorb, among 12 tracked related entities.
The most significant recent cluster is “OceanLotus Shifts Focus to Domestic Espionage with SPECTRALVIPER Attacks” (17 articles · Updated June 11, 2026). Microsoft SQL Server appears across 23 threat clusters in total, listed above with sources.
Microsoft SQL Server appears in 29 intelligence report mentions across 23 deduplicated threat clusters, aggregated from 17,000+ monitored sources.