ThreatCluster
About Blog Help Contact
Login
  • Feed
  • Dashboard
  • Saved
THREAT HUNTING
  • Domains
  • IP Addresses
  • File Hashes
  • CVEs
THREAT INTELLIGENCE
  • APT Groups
  • Ransomware Groups
  • Malware Families
  • Attack Types
  • MITRE ATT&CK
  • Security Standards
  • Vulnerability Types
BUSINESS INTELLIGENCE
  • Companies
  • Industry Sectors
  • Security Vendors
  • Government Agencies
  • Countries
  • Platforms
Home / Feed / Article

Microsoft Teams “Couldn’t Connect” Issue After Sidebar Update Gets a Fix

Threat Score:
72
GB Hackers
7 hours ago
Part of cluster #2065

Overview

Microsoft Teams “Couldn’t Connect” Issue After Sidebar Update Gets a Fix Microsoft is actively rolling out a solution to address a widespread service disruption affecting Teams users globally, where the application displays a “couldn’t connect to this app” error message when attempting to launch either thedesktopor web versions of the collaboration platform. The connectivity problem, officially designated under Microsoft reference TM1131505, originated from a recent interface enhancement update ...

Continue Reading on Original Site

Related Articles

5 articles
1

Pharmaceutical Company Inotiv Confirms Ransomware Attack

SecurityWeek • 1 hour ago

Inotiv has notified the SEC that its business operations took a hit after hackers compromised and encrypted its internal systems.

Score
93
Read more
2

Warlock Ransomware Hitting Victims Globally Through SharePoint ToolShell Exploit

Infosecurity Magazine • 1 hour ago

Trend Micro highlighted a sophisticated post-compromise attack chain to deploy the Warlock ransomware in unpatched SharePoint on-prem environments

Score
86
Read more
3

Flaws in Software Used by Hundreds of Cities and Towns Exposed Sensitive Data

SecurityWeek • 1 hour ago

CERT/CC has disclosed the details of information exposure vulnerabilities in a Workhorse Software application after patches were released.

Score
84
Read more
4
Stop Reacting; Start Anticipating: The Global State of Threat Intelligence

Stop Reacting; Start Anticipating: The Global State of Threat Intelligence

Brighttalk • 21 hours ago

Presented by Jitin Shabadu, Forrester Analyst | Jayce Nichols, Director, Intelligence Solutions, Google Threat Intelligence Group

Score
83
Read more
5

Microsoft Issues Emergency Patch for Windows Reset and Recovery Bug

GB Hackers • 2 hours ago

Microsoft Issues Emergency Patch for Windows Reset and Recovery Bug Microsoft has released an emergency out-of-band security update to address a critical issue affecting Windows reset and recovery operations across multiple versions of the operating system. The patch,releasedon August 19, 2025, resolves problems that emerged after users installed the August 2025 Windows security update, causing some reset and recovery attempts to fail on client versions of Windows. Critical Issue Identification

Score
83
Read more

Save to Folder

Choose a folder to save this article:

Article Intelligence

Key entities and indicators for this article

CVES
CVE-2025-53783
INDUSTRIES
Education
Software
Technology
VULNERABILITIES
DDoS
DoS
Service Degradation
Software Bug
COMPANIES
AMD
Adobe
Amazon
Apple
Cisco
SECURITY VENDORS
Cloudflare
PLATFORMS
AWS
Android
Apache
Azure
IIS
RANSOMWARE
AnDROid
DN
Desktop
Protected
Ramp
MALWARE
Dark
ATTACK TYPES
Service Disruption
User Connectivity Issues
MITRE ATT&CK
T1070.001
T1071.001
T1190
T1480
T1484.001
ARTICLE INFORMATION
Article #12548
Published 7 hours ago
GB Hackers

We use cookies

We use cookies and similar technologies to enhance your experience, analyse site usage, and assist in our marketing efforts.

Cookie Settings

Essential Cookies

Required for the website to function. Cannot be disabled.

  • Session management and authentication
  • Security and fraud prevention
  • Cookie consent preferences

Analytics Cookies

Help us understand how visitors interact with our website.

  • Plausible Analytics - Privacy-focused usage statistics
  • PostHog - Product analytics and feature tracking
  • Page views and user journey analysis

Performance Cookies

Help us monitor and improve website performance.

  • Page load time monitoring
  • Error tracking and debugging
  • Performance optimisation

Marketing Cookies

Used to track visitors across websites for marketing purposes.

  • Conversion tracking
  • Remarketing campaigns
  • Social media integration