Articles from June 9, 2026
Browse all Windows news articles published on June 9, 2026
CVE-2026-44820: Excel “Remote” RCE vs CVSS AV:L—Defender Guide
Microsoft labels CVE-2026-44820 as a Microsoft Excel Remote Code Execution vulnerability because a remote attacker can cause code to run on a victim’s computer, even though the CVSS attack vector is L
CVE-2026-44817 Excel RCE: Patch Urgently Even Without Known Exploits
On June 9, 2026, Microsoft published CVE-2026-44817, an Important-rated Microsoft Excel remote code execution vulnerability affecting Microsoft 365 Apps, Office 2019, Office LTSC 2021 and 2024, Office
Rigetti Cepheus-1-108Q: Modular Quantum Hardware Goes Cloud-Available (Apr 2026)
Rigetti Computing made its 108-qubit Cepheus-1-108Q superconducting quantum computer generally available in April 2026 through its own cloud service and major quantum platforms including Amazon Braket
CVE-2026-44818: Microsoft delays Excel RCE fixes for Mac Office—What admins should do
Microsoft says updates for CVE-2026-44818 are not currently available for Microsoft Office LTSC for Mac 2021, Office LTSC for Mac 2024, or Microsoft 365 for Mac, and that customers will be notified th
Leah Earns Microsoft Financial Services AI Partner Certification—What It Means for Agentic Trust
Leah, the London-based enterprise agentic AI company formerly associated with ContractPodAi, announced in late May 2026 that it has earned Microsoft’s Solutions Partner with certified software designa
CVE-2026-42902 PowerToys Elevation of Privilege: Patch and Inventory Guide
Microsoft disclosed CVE-2026-42902 on June 9, 2026, as an elevation-of-privilege vulnerability in Microsoft PowerToys, placing a beloved Windows power-user utility into the same risk-management queue
CVE-2026-34335 AFD.sys: Why Microsoft’s Confidence Metadata Matters for Patching
Microsoft disclosed CVE-2026-34335, a Windows Ancillary Function Driver for WinSock elevation-of-privilege vulnerability, in its Security Update Guide as a locally exploitable Windows flaw affecting t
CVE-2026-33828: Device Health Attestation Trust Boundary EoP to SYSTEM on Windows
Microsoft disclosed CVE-2026-33828 on June 9, 2026, as a critical Windows Device Health Attestation elevation-of-privilege vulnerability that can let a locally authorized attacker cross a trust bounda
CVE-2026-40404 UDFS EoP: Patch the Windows file-system elevation risk
Microsoft disclosed CVE-2026-40404 on June 9, 2026, as a Windows Universal Disk Format File System Driver elevation-of-privilege vulnerability affecting supported Windows systems through the UDFS comp
CVE-2026-40409 UDFS Elevation of Privilege: June 2026 Windows Patch Guide
Microsoft disclosed CVE-2026-40409 on June 9, 2026, as an elevation-of-privilege vulnerability in the Windows Universal Disk Format File System Driver, the kernel component that lets Windows mount and
Windows 10 KB5094127 (June 2026): File Explorer, Secure Boot, BitLocker Warnings
Microsoft released Windows 10 KB5094127 on June 9, 2026, for Windows 10 ESU and supported LTSC 2021 systems, raising version 22H2 to build 19045.7417 and version 21H2/LTSC 2021 to build 19044.7417 wit
CVE-2026-45483 Project Server Spoofing: Patch Priorities & Trust Boundary Checks
Microsoft has published CVE-2026-45483 as a Microsoft Office Project Server spoofing vulnerability in its Security Update Guide, with the public framing emphasizing confidence in the vulnerability’s e