Microsoft’s security advisory for CVE-2025-53809 warns that improper input validation in the Windows Local Security Authority Subsystem Service (LSASS) can be abused by an authorized attacker to cause a denial of service (DoS) over a network, putting authentication services and domain...
Siemens has published a security advisory for Opcenter Quality that maps seven distinct CVEs affecting SmartClient modules (Opcenter QL Home), SOA Audit and SOA Cockpit — the vulnerabilities range from incorrect authorization and insufficient session expiration to support for legacy TLS...
Title: New LSASS DoS (CVE-2025-53716) — What admins need to know now
By WindowsForum.com security desk — August 12, 2025
Summary
A null-pointer dereference vulnerability in the Windows Local Security Authority Subsystem Service (LSASS) — tracked as CVE-2025-53716 in Microsoft’s Security Update...
active directory
authentication
cisa
cldap
cve-2025-53716
cybersecurity
dns
domain controller
dos
edr
incident response
ldap
lsass
network security
patch
referral-attacks
security updates
windows security
windows server
SafeBreach Labs’ disclosure of four newly discovered Windows denial-of-service (DoS) flaws — and the novel “Win‑DDoS” technique they describe for turning exposed domain controllers into DDoS amplifiers — forces a hard look at how organizations harden their identity plane, patch critical servers...
A new class of Windows denial-of-service attacks revealed at DEF CON has forced a hard reckoning for enterprise defenders: vulnerabilities in LDAP handling can not only crash individual servers, they can be chained into zero-click attack flows that target Domain Controllers (DCs) and potentially...
NTLM relay attacks, once thought to be a relic of the past, have re-emerged as a significant threat in modern Active Directory environments. Despite years of research and incremental security improvements, most enterprise domains remain susceptible to these attacks, creating wide-reaching risks...
Microsoft’s cloud ambitions have long aimed to offer enterprises a seamless route from traditional on-premises infrastructure to a fully modernized, cloud-centric model. For years, however, a stubborn barrier persisted: legacy applications that depend on customized directory attributes, many of...
Windows Lightweight Directory Access Protocol (LDAP) has long served as a core component of enterprise IT infrastructure, underpinning everything from user authentication to directory lookups in countless Active Directory (AD) environments. With the discovery of CVE-2025-29954—a critical denial...
active directory
authentication risks
business continuity
cve-2025-29954
cybersecurity
denial of service
directory services
enterprise security
identity management
it infrastructure
ldapldap vulnerability
network security
protocol vulnerabilities
resource exhaustion
security best practices
security monitoring
security patch
system patch
windows vulnerabilities
Unpatched directory services can be the digital equivalent of leaving your front door wide open—and that’s precisely the lesson Windows administrators should take to heart with the recent discovery of CVE-2025-27469. This vulnerability, focused on the Windows Lightweight Directory Access...
The latest twist in the cybersecurity saga focuses on a newly discovered vulnerability—CVE-2025-26670—which targets the Windows Lightweight Directory Access Protocol (LDAP) client. This particular use-after-free flaw is a stark reminder that even the most established and “boring” components of...
Introduction
A newly disclosed vulnerability—CVE-2025-26673—has captured the attention of Windows administrators and cybersecurity experts. This Windows Lightweight Directory Access Protocol (LDAP) flaw can be exploited by unauthorized attackers to trigger uncontrolled resource consumption...
Hitachi Energy’s TRMTracker has come under scrutiny as cybersecurity researchers uncover a trio of vulnerabilities that could expose critical energy systems to remote attacks. These issues, disclosed in a detailed advisory, affect multiple versions of the product and highlight a broader...
It seems to coincide with a warning on the Windows 2022 member server event ID 40970 LSA (LSASrv) The security System has detected a downgrade attempt when contacting the 3-part SPN LDAP/Domain Controller FQDN/Domain@Domain with error code "The encryption type is not supported by the KDC...
access issues
authentication
domain controller
downgrade
error codes
event id
file explorer
group policy
kdc
ldap
name resolution
network
processing failures
retry
security
server management
troubleshooting
windows server
workstation access
In an era where every device on your network is a potential entry point for attackers, the latest revelations surrounding Xerox VersaLink printer vulnerabilities serve as a stark reminder of the hidden risks. These vulnerabilities not only jeopardize the printers themselves but also pave the way...
In this month’s patch update round-up, cybersecurity experts are ringing alarm bells for CISOs and Windows administrators alike. The spotlight falls on two actively exploited Windows Server vulnerabilities—one in the Windows Storage component and a more critical weakness in the Windows Ancillary...
Microsoft has released its February 2025 Patch Tuesday security updates, addressing a total of 55 vulnerabilities across various Windows products. Among these, 3 are classified as critical, and 4 are zero-day vulnerabilities, with 2 actively exploited in the wild.
Critical Vulnerabilities...
In a fresh advisory dated January 16, 2025, Siemens has disclosed a significant vulnerability impacting its Mendix LDAP module. Categorized as an LDAP Injection problem with a CVSS v3 severity score of 7.4, the flaw can potentially allow remote attackers to bypass authentication mechanisms...
In the ever-evolving landscape of cybersecurity threats, Windows users find themselves yet again in the crosshairs of potentially devastating vulnerabilities. The latest? A critical Windows LDAP (Lightweight Directory Access Protocol) denial-of-service vulnerability (CVE-2024-49113) that has...
Brace yourselves, Windows aficionados, because we've got quite the cocktail of cybersecurity intrigue for you today. Imagine if your Windows Server, the no-fuss, reliable workhorse of your IT infrastructure, suddenly becomes a victim of its own architecture—a chilling thought, isn't it? This...
In the ever-evolving cat-and-mouse game of cybersecurity, there's a new player in town—CVE-2024-49113. This is not just another random string of letters and numbers, folks. It represents a new adversary in the form of a denial-of-service (DoS) vulnerability lurking within the Windows Lightweight...