windows server 2025

Microsoft has fixed CVE-2026-50305, a high-severity local privilege-escalation vulnerability in the Microsoft Brokering File System affecting Windows 11 24H2, Windows 11 25H2, Windows 11 26H1, and Windows Server 2025. Administrators should deploy the relevant cumulative security update and...

CVE-2026-58602 exposes supported Windows 11 and Windows Server 2025 systems to a local privilege-escalation attack, with Microsoft shipping a fix in its July 14, 2026 security updates. The flaw carries a CVSS 3.1 score of 7.8, rated Important by Microsoft and High under the CVSS scale, because...

CVE-2026-49169 is a newly patched Windows DNS Server remote code execution vulnerability affecting Windows Server 2025, including Server Core installations. Microsoft rates the flaw Important with a CVSS 3.1 score of 8.0, making the July 14, 2026 security update a priority for administrators...

CVE-2026-48571 fixes a use-after-free flaw in Windows App Package Installer that can let a locally authenticated attacker elevate privileges. Microsoft released the correction on July 14, 2026, through the month’s cumulative Windows updates, making patch deployment the immediate priority for...

Verdict: directly upgrade eligible, nonclustered Windows Server 2016 systems to Windows Server 2025; migrate or rebuild servers with unsupported roles, aging hardware, application uncertainty, or configuration changes; and treat every 2016 failover cluster as a separate multistage project. The...

I downloaded Windows Server 2025 Eval to test it out prior to making the commitment to convert my 2016 Essentials server ahead of the January 2027 deadline. I performed a clean-install and tested it out - everything I wanted to do worked fine, so I decided to convert. Instead of upgrading, I...

A newly published Synacktiv proof-of-concept shows how attackers could bypass Microsoft’s CVE-2025-33073 mitigation and obtain NT AUTHORITY\SYSTEM shells on patched Windows Server 2025 systems by abusing SMB authentication reflection over arbitrary TCP ports before Microsoft patched the...

Microsoft’s June 9, 2026 Patch Tuesday updates finally close a Windows Update Standalone Installer bug that caused Windows 11 24H2, Windows 11 25H2, and Windows Server 2025 systems to fail when installing .msu packages from multi-file network shares. The fix matters because the broken path was...

Microsoft published KB5105752 on June 18, 2026, warning that JScript globals, polyfills, and execution context loaded across multiple scripts may not persist on Windows 11 24H2, Windows 11 25H2, and Windows Server 2025 unless administrators enable a registry-controlled compatibility feature. The...

Lucidea announced LucideaCore v4.5.0 for ArchivEra, Argus, and SydneyDigital in Vancouver, British Columbia, with general availability planned for later this summer and headline changes including a refreshed menu design, interface improvements, and support for Windows Server 2025 and SQL Server...

AMD and Principled Technologies said on June 16, 2026, that a Windows Server 2025 database server using an AMD EPYC 4545P processor delivered up to three times the OLTP throughput of an older Intel Xeon E-2400 system and outperformed a newer Xeon 6300-class comparison system. The headline number...

A large financial-services customer upgraded more than 2,000 Amazon EC2 instances from Windows Server 2016 to Windows Server 2025 by choosing an automated in-place upgrade path built around AWS Systems Manager, after AWS ruled out fresh migrations and clone-based cutovers as too disruptive at...

Windows Server 2025 gained production-ready DNS over HTTPS support for the Windows DNS Server service with Microsoft’s June 2026 security update, extending encrypted client-to-server DNS resolution to server environments that have long depended on clear-text port 53 traffic. That sounds like a...

If your Windows Server 2025 machine installed the October 14, 2025 security update KB5066835, update it to KB5070773 from October 20, 2025 or any later cumulative update before a BitLocker recovery event forces you into Windows Recovery Environment with no working USB input. The immediate admin...

Microsoft has moved DNS over HTTPS for Windows Server 2025’s DNS Server role into general availability with the June 9, 2026 cumulative update, giving enterprises a supported way to encrypt DNS queries between Windows clients and their own internal resolvers. The change sounds narrow, but it...

Microsoft has made DNS over HTTPS support generally available for Windows DNS Server in Windows Server 2025 with the latest June 2026 Patch Tuesday updates, giving enterprise networks a Microsoft-supported way to encrypt DNS traffic between DoH-capable clients and their internal resolvers. The...

Microsoft’s June 2026 Patch Tuesday permanently fixes a Windows Update Standalone Installer failure on Windows Server 2025 through KB5094125, while the corresponding Windows 11 24H2 and 25H2 repair had already arrived in the March 24 preview update KB5079391 and later releases. The distinction...

Microsoft’s June 9, 2026 Patch Tuesday updates fix a Windows Server 2025 BitLocker recovery problem that could send narrowly configured systems into recovery after April’s security update changed boot files. The fix lands in KB5094125 for Windows Server 2025 and alongside related Windows client...

Microsoft’s June 9, 2026 Windows 10 cumulative update KB5094127 can trigger a one-time BitLocker recovery-key prompt on some managed PCs when BitLocker, Secure Boot, PCR7 validation, and the 2023-signed Windows Boot Manager transition collide under a specific Group Policy configuration. That is...

Microsoft has extended post-quantum cryptography into Active Directory Certificate Services, enabling Windows Server 2025 environments with current updates to issue ML-DSA certificates while Windows also gains hybrid post-quantum TLS key exchange support for future-resistant secure...