Dns Security
The latest Dns Security coverage — news, analysis, and updates from the WindowsNews.AI desk.
Microsoft Ships Emergency Fix for Windows Server 2025 DNS Bug, Admins Urged to Patch Now
Microsoft released a security update on July 14, 2026, that patches a remote code execution vulnerability in the Windows DNS Server service. The flaw, tracked as CVE-2026-49169, affects all editions...
Windows 11 Ethernet Status Says Connected, But Your Internet May Be Down — Here's Why
{ "title": "Windows 11 Ethernet Status Says Connected, But Your Internet May Be Down — Here's Why", "content": "Microsoft’s freshly updated Windows 11 Field Guide, published on June 23, 2026,...
Unbound DNS CVE-2026-42944 Heap Overflow Fixed in 1.25.1
NLnet Labs has released Unbound version 1.25.1 to address CVE-2026-42944, a high-severity heap-based buffer overflow vulnerability in its popular DNS resolver software. The flaw, disclosed on May 20,...
Critical BIND 9 DNS Bug Lets Attackers Crash Servers Remotely—Patch Now
A remotely exploitable flaw in the widely used BIND 9 DNS server software can be triggered by a single client query, causing the named process to crash and knock entire networks offline. The...
BIND 9 CVE-2024-1737: Critical DNS Vulnerability Threatens Internet Infrastructure
A critical vulnerability in BIND 9, identified as CVE-2024-1737, has emerged as an urgent operational risk for DNS administrators and resolver operators worldwide. This flaw in the widely deployed...
CVE-2024-0760: Critical BIND 9 DNS Vulnerability Threatens Windows DNS Infrastructure
A critical vulnerability in the widely deployed BIND 9 DNS software has security administrators scrambling to patch systems, with Windows environments running BIND implementations particularly at...
CVE-2023-3341: Critical BIND 9 DNS Vulnerability Threatens Windows Servers
A critical vulnerability in the Internet Systems Consortium's BIND 9 DNS software has been identified, posing significant risks to Windows Server environments that rely on this widely-used DNS...
Portmaster Windows Privacy Firewall: Complete Guide to Per-App Rules & DNS Security
Portmaster represents a significant evolution in Windows privacy protection, offering users unprecedented control over their network traffic through its innovative per-app rules system and...
Palo Alto's Prisma SASE 4.0 Targets AI-Driven Browser Attacks and Rogue SaaS Agents
Palo Alto Networks has drawn a clear line in the SASE arms race. On September 4, 2025, the company launched Prisma SASE 4.0, a major platform refresh that frames the next phase of enterprise security...
Microsoft Recommends MaximumUdpPacketSize Registry Fix to Harden Windows DNS Servers – Complete Setup Guide
Microsoft is urging administrators to apply a registry tweak that forces Windows DNS servers to handle oversized responses over TCP instead of UDP, closing a long-standing door for...
Microsoft Tells Admins to Cap DNS UDP Buffer at 1221 Bytes on Windows Server 2025 to Block Cache Poisoning
Microsoft has updated its security advisory ADV200013 to explicitly cover Windows Server 2022, version 23H2, and the just‑released Windows Server 2025, and is again telling administrators to apply...
Akamai DNS Posture Management: Securing Enterprise Networks in Multi-Cloud Environments
As enterprises increasingly adopt multi-cloud architectures, the Domain Name System (DNS) has become both a critical infrastructure component and a prime attack vector. Akamai's DNS Posture...