< ciso
brief />
Tag Banner

All news with #microsoft tag

946 articles · page 29 of 48

Microsoft releases OOB Windows fixes for Cloud PC issues

🔧 Microsoft has issued out-of-band Windows updates to address two issues introduced by the January 2026 security updates: credential prompt failures that can block Microsoft 365 Cloud PC and remote desktop sign-ins, and a shutdown/hibernate failure on Windows 11 23H2 when Secure Launch is enabled. The fix packages must be manually downloaded from the Microsoft Update Catalog, and administrators can deploy Known Issue Rollback (KIR) installers via Group Policy for enterprise-managed devices when immediate deployment is required.
read more →

Windows 11 January Update Causes Outlook Freezes for POP

⚠ Microsoft is investigating reports that the January Windows 11 security update KB5074109 causes the classic Outlook desktop client to freeze and hang for users with POP email accounts. Affected users say Outlook does not exit properly and will not restart after being closed, disrupting normal mail access. Microsoft’s Outlook and Windows teams are examining the issue but have not provided a timeline for a fix. As a temporary workaround, users can uninstall KB5074109 via Settings > Windows Update > Update history > Uninstall updates, though removing security updates can expose systems to additional risk.
read more →

Windows 11 23H2 Shutdown Issue After January Security Update

⚠️ Microsoft has confirmed that the January 13, 2026 cumulative update (KB5073455) can prevent some Windows 11, version 23H2 devices with System Guard Secure Launch enabled from shutting down or entering hibernation, causing them to restart instead. The issue is limited to Enterprise and IoT editions where the update is offered. Microsoft recommends the temporary workaround shutdown /s /t 0 for shutdowns and warns there is currently no hibernation workaround. Users should save work and perform manual shutdowns to avoid battery drain.
read more →

Microsoft's Copilot Studio VS Code Extension Public

🚀 Microsoft released the Copilot Studio extension for Visual Studio Code, enabling developers to build and manage Copilot Studio agents directly within the editor. The extension lets teams pull full agent definitions locally, edit components with IDE features like syntax highlighting and IntelliSense-style completion, and preview or compare changes against the cloud. It supports Git versioning, CI/CD integration, and works with AI coding assistants to speed development; the extension is free on the VS Code Marketplace and has been downloaded over 13,000 times.
read more →

Design an AI and Agent Strategy with Microsoft Marketplace

🧭 Microsoft Marketplace positions itself as the central catalog for organizations choosing how to adopt AI—whether to build, buy, or blend solutions. It hosts more than 11,000 prepackaged models and over 4,000 AI apps and agents, accessible via the storefront, Azure portal, and Microsoft Foundry. The platform supports both pro-code and low-code development workflows, including Copilot Studio, and emphasizes integration, governance, and faster time-to-value for enterprise deployments.
read more →

Reprompt attack: single-click data exfiltration from Copilot

🔒 Cybersecurity researchers disclosed a novel method called Reprompt that can enable single-click data exfiltration from AI chatbots, notably Microsoft Copilot, while bypassing typical enterprise controls. The technique exploits the Copilot q URL parameter to inject instructions from a link, then uses repeated requests and a remote attacker server to continue covert fetching and return of sensitive data with no further user interaction. Microsoft says it addressed the issue and that Microsoft 365 Copilot enterprise customers are not affected, but researchers warn the approach turns Copilot into an invisible exfiltration channel.
read more →

Microsoft Tops Brands Imitated in Q4 2025 Phishing

🔒 In Q4 2025, Check Point Research found Microsoft to be the most impersonated brand in phishing campaigns, responsible for 22% of branded phishing attempts. Google followed with 13%, while Amazon rose to 9%, driven by Black Friday and holiday sales, displacing Apple. After a lengthy absence, Facebook (Meta) reappeared in the top ten at fifth, underscoring renewed interest in social media account takeover. The pattern reflects a multi-quarter trend of attackers abusing trusted enterprise and consumer brands to harvest credentials and gain initial access.
read more →

International Takedown of RedVDS Cybercrime Service

🛡️ International law enforcement, together with Microsoft, dismantled the RedVDS cybercrime service after seizing servers hosted in Germany. Authorities from Germany, the United States and the United Kingdom, confirmed by the ZIT and the State Criminal Police Office of Brandenburg, say the platform enabled large-scale phishing and boss‑scam frauds. Microsoft reports $40 million in US losses over seven months and highlights prolific phishing volumes from rented virtual machines. No arrests have been reported; suspects are believed to be located in an unspecified Middle Eastern country.
read more →

Microsoft Seizes Servers, Disrupts RedVDS Cyberplatform

🔒 Microsoft says it disrupted RedVDS, a cybercrime-as-a-service platform tied to at least $40 million in U.S. losses since March 2025. The company filed civil lawsuits in the U.S. and U.K., and — working with Europol and German authorities — seized servers, took the marketplace and customer portal offline, and removed malicious infrastructure. RedVDS rented disposable Windows cloud servers worldwide to enable large-scale phishing, BEC, credential theft and AI‑enhanced impersonation campaigns.
read more →

Microsoft Named Leader in IDC AI Governance Report

🔒 Microsoft was named a Leader in the 2025–2026 IDC MarketScape for Worldwide Unified AI Governance Platforms, recognizing its integrated approach to governing generative, agentic, and traditional ML across hybrid and multicloud environments. The company emphasizes centralized control, observability, and automated compliance through Microsoft Foundry, Agent 365, Purview, Entra, and Defender. Backed by the Responsible AI standard and an Office of Responsible AI, Microsoft highlights built-in transparency, fairness, explainability, and real-time security protections for regulated enterprises.
read more →

Microsoft Updates WinSqlite3.dll After False Positives

🔔 Microsoft has released updates to WinSqlite3.dll after third-party security tools began flagging the Windows core DLL as vulnerable to CVE-2025-6965. The company said the false positive affected Windows 10, Windows 11, and server editions through Windows Server 2025. Microsoft resolved the detection in updates released January 13, 2026 and later and urges users to install the latest patches. It also clarified WinSqlite3.dll is distinct from sqlite3.dll.
read more →

Microsoft Disrupts RedVDS Cybercrime Subscription Service

🛡️ Microsoft announced on 14 January that it has seized the infrastructure and website of RedVDS, a subscription-based cybercrime platform that rented disposable virtual machines and AI tools to facilitate phishing, business email compromise (BEC) and fraud. The service, available from about $24/month, has been linked to more than $40 million in losses in the US and nearly 190,000 victimised organisations worldwide. Legal partners in the US and the UK, with international law enforcement support, coordinated the takedown.
read more →

ConsentFix debrief: New OAuth phishing technique analysis

🔒Push Security discovered ConsentFix in December — a browser-native OAuth phishing technique that tricks victims into pasting a legitimate Microsoft authorization URL so attackers can exchange the code and hijack accounts. The campaign targeted pre-consented first-party Microsoft apps and legacy scopes to evade default logging and Conditional Access controls. Push and the security community have published hunting guidance and mitigations focused on logging, access restrictions, and browser-based detection.
read more →

Pax8 Email Error Exposes MSP and Microsoft Licensing Data

⚠️ Pax8 confirmed it mistakenly emailed a CSV attachment on January 13 that contained internal pricing and Microsoft licensing data to fewer than 40 UK-based partners. Recipients reported the file listed about 56,000 entries covering roughly 1,800 partners, with fields including partner and customer IDs, SKUs, license counts, renewal dates, and booking details. Pax8 asked recipients to delete the message, required deletion confirmations, and said it launched an internal review. The company maintains the file did not contain personally identifiable information and that marketplace availability and security controls were not affected.
read more →

Microsoft fixes three zero-days in busy Patch Tuesday

🔒 Microsoft released updates addressing over 100 CVEs on the first Patch Tuesday of 2026, including three zero-day vulnerabilities. CVE-2026-20805 is an actively exploited information-disclosure flaw in the Desktop Window Manager that can undermine ASLR; CVE-2026-21265 concerns a secure-boot certificate-expiration bypass affecting many devices; CVE-2023-31096 is an elevation-of-privilege in legacy Agere modem drivers that Microsoft is removing. Administrators should prioritize patching, review firmware and UEFI certificates, and audit hardware where updates may require manual acceptance.
read more →

Windows 365 update blocks access to Cloud PC sessions

⚠️ Microsoft confirmed a recent Windows 365 update is preventing some customers from signing in to their Cloud PC sessions. The disruption began Tuesday at 19:00 UTC after automated monitoring detected a spike in failed connection attempts, and engineers traced the problem to the update. Microsoft says the change was intended to improve security and is now analyzing it to determine mitigation and a permanent fix. As temporary workarounds, affected users can connect via the Windows App Web Client or use the Remote Desktop client to reach Azure Virtual Desktop.
read more →

Microsoft January 2026 Patch: 114 Windows Flaws Fixed

🔒 Microsoft released its first security update of 2026 addressing 114 vulnerabilities across Windows, including one actively exploited in the wild. The set includes eight Critical and 106 Important flaws, spanning privilege escalation, information disclosure, and remote code execution issues. Administrators are urged to prioritize the exploited CVE-2026-20805 and VBS-related fixes, and to follow guidance for Secure Boot certificate updates to avoid disruption.
read more →

January 2026 Patch Tuesday: Microsoft critical fixes

🛡️ Microsoft’s January 2026 Patch Tuesday addresses eight critical vulnerabilities and an actively exploited zero-day, with many high‑score flaws affecting Office and SharePoint. The Desktop Window Manager information-disclosure bug (CVE-2026-20805) is already being exploited and can leak memory to enable follow-on attacks. Other priorities include an RRAS heap overflow (CVE-2026-20868), Secure Boot certificate updates (CVE-2026-21265), and multiple NTFS and WinSock elevation issues. Administrators should accelerate patching, restrict local access, and monitor for suspicious activity.
read more →

Microsoft Jan 2026 Patch Tuesday: 113 Flaws, Zero-Day

🔒 Microsoft released January 2026 security updates addressing 113 vulnerabilities across Windows and supported products, including eight rated Critical. The company confirmed active exploitation of a Desktop Window Manager information disclosure flaw, CVE-2026-20805, which researchers say can be chained to code execution bugs. Other prominent fixes include two Office RCEs exploitable via the Preview Pane, a critical Secure Boot bypass, and removal of legacy modem drivers. Experts urge rapid, risk-based patching and careful BIOS/bootloader preparation.
read more →

Microsoft issues replacement Secure Boot certificates

🔒 Microsoft has begun automatically replacing expiring Secure Boot certificates on eligible Windows 11 24H2 and 25H2 systems via Windows Update. The rollout uses high-confidence device targeting and phased signals to ensure only devices with sufficient successful update telemetry receive the new certificates, while administrators can also deploy them using registry keys, WinCS, or Group Policy. Organizations are urged to inventory fleets, verify Secure Boot status, apply firmware updates as needed, and install the certificate updates before existing credentials expire to preserve Secure Boot and pre-boot patching.
read more →