Dnssec
The latest Dnssec coverage — news, analysis, and updates from the WindowsNews.AI desk.
CVE-2026-4891 dnsmasq Flaw: Patch Now to Protect Windows DNS
A critical heap-based out-of-bounds read vulnerability in dnsmasq’s DNSSEC validation, tracked as CVE-2026-4891, surfaced on May 11, 2026, threatening networked Windows environments by exposing...
CVE-2026-4890 dnsmasq Flaw Lets One Packet Crash Windows DNS Chains
A remote attacker can crash any network's DNS resolution with a single malicious packet, thanks to a newly disclosed vulnerability in dnsmasq. Tracked as CVE-2026-4890 and rated high severity, the...
Microsoft MSRC Reveals Unbound CVE-2026-42923: NSEC3 Hash Attack Hits Windows DNS Resolvers
Microsoft’s Security Response Center has published details of CVE-2026-42923, a degradation-of-service vulnerability in NLnet Labs Unbound, the widely used open-source DNS recursive resolver....
Microsoft debuts DNSSEC wizard, DANE, MTA-STS controls for Exchange Online security
Exchange Online DNS Security: DNSSEC Wizard, DANE & MTA-STS Connector Controls Microsoft is rolling out a trio of DNS security enhancements for Exchange Online that promise to harden email...
Microsoft Mandates DNSSEC, MTA-STS for Exchange Online Email Security
Exchange Online DNSSEC Enablement: SMTP DANE, MTA-STS and mx.microsoft Modernizing DNS security for Exchange Online is no longer a niche transport tweak; it is becoming a central part of...
Microsoft Patches Critical DNSSEC Vulnerability CVE-2026-1519: NSEC3 Iteration DoS Threatens DNS Infrastructure
Microsoft has addressed a critical vulnerability in Windows DNS Server that could enable sustained denial-of-service attacks against organizations' DNS infrastructure. CVE-2026-1519, rated with a...
CVE-2024-1975: Critical BIND 9 SIG(0) DoS Vulnerability Threatens DNS Infrastructure
A critical vulnerability in the widely deployed BIND 9 DNS software, tracked as CVE-2024-1975, has emerged as a significant threat to internet infrastructure, allowing remote attackers to launch...
CoreDNS Flaw CVE-2024-0874 Bypasses DNSSEC — Are Your Azure and AKS Environments Exposed?
A caching bug in CoreDNS, tracked as CVE-2024-0874, undermines DNSSEC validation and could expose cloud workloads to malicious redirection. Microsoft has identified Azure Linux as affected, but...
Complete Guide to Windows DNS Server: Installation, DNSSEC, and Troubleshooting
Windows DNS Server remains a cornerstone of enterprise network infrastructure, providing reliable name resolution services for organizations worldwide. As businesses increasingly rely on cloud...
Securing DNS with DNSSEC on Windows Server: A Comprehensive Guide
In the digital age, the Domain Name System (DNS) serves as the internet's phonebook, translating human-friendly domain names into machine-readable IP addresses, yet this foundational protocol was...