Microsoft
Microsoft unveils MAI-Cyber-1-Flash, promises cybersecurity AI at half the cost
Microsoft has introduced MAI-Cyber-1-Flash, a security-focused AI model built into MDASH, the company’s multi-agent vulnerability identification and remediation system. …
PoC exploit released for critical AD CS domain-takeover flaw (CVE-2026-54121)
Security researchers who discovered and reported CVE-2026-54121 (aka “Certighost”), a critical privilege elevation vulnerability in Active Directory Certificate …
Microsoft tightens Windows enterprise activation security
Microsoft is making Trusted Platform Module (TPM)-backed attestation a requirement for Windows Key Management Service (KMS), the on-premises service used for Windows volume …
Meet Dusseldorf, Microsoft’s open-source out-of-band security platform
Out-of-band vulnerabilities surface when an application quietly reaches out to an external system during an attack, and capturing that traffic calls for infrastructure that …
Microsoft makes Windows SSO prompts easier to manage
Microsoft is introducing a new registry-based policy that lets IT administrators automatically accept Windows SSO permissions on Windows 11 versions 24H2 and 25H2 devices …
VS Code agent host runs Copilot, Claude, and Codex in a dedicated process
Developers who lean on AI coding agents often keep several editor windows open at once, each tied to its own session. The 1.129 release of Visual Studio Code reworks that …
ClickFix is changing the economics of social engineering
ClickFix has moved from a one-off social engineering trick into an industrialized attack ecosystem that is outpacing conventional antivirus and endpoint defenses, according to …
AI-driven bug hunting fuels record Microsoft Patch Tuesday
Microsoft has released patches for 570+ vulnerabilities on July 2026 Patch Tuesday, including two that are being leveraged by attackers (CVE-2026-56155 and CVE-2026-56164), …
No one knows how many old shims can still bypass UEFI Secure Boot
The vast majority of UEFI computers carry a Microsoft certificate that will trust a small first-stage loader called a shim, a program Microsoft signs so that Linux and …
Microsoft Entra ID authentication overhaul to start in September 2026
Microsoft will begin rolling out passkeys as the default authentication experience for Microsoft Entra ID in the public cloud on September 1, 2026. Organizations with SMS or …
Fake OAuth client IDs are helping attackers slip past sign-in logs
Attackers running account enumeration against Microsoft cloud tenants have added a step that keeps their probing out of the usual telemetry. They spoof the OAuth client ID, …
Microsoft demystifies how Windows updates work
Microsoft has published a guide explaining the Windows servicing model, outlining the purpose of monthly security updates, optional preview releases, hotpatch updates, and the …
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