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MICROSOFT

Fox Tempest — Malware‑Signing‑as‑a‑Service Exploits Microsoft Artifact Signing

May 20, 2026 Faeem 0

Overview A financially motivated threat actor known as Fox Tempest has been operating a malware‑signing‑as‑a‑service (MSaaS) platform that abused Microsoft’s Artifact Signing infrastructure to generate trusted digital […]

Exchange XSS Exploit — Layer 7 Threat to Enterprise Networks

May 18, 2026 Faeem 0

Overview CISA has issued a warning about CVE‑2026‑42897, a cross‑site scripting (XSS) vulnerability in Microsoft Exchange Server’s Outlook Web Access (OWA). Already added to the […]

Microsoft Exchange, Windows 11, and Cursor Zero‑Days Exploited on Pwn2Own Day 2

May 16, 2026 Faeem 0

Pwn2Own Berlin 2026 is proving to be one of the most intense offensive security contests in recent memory. Day Two alone delivered 15 new zero‑day […]

On‑Prem Microsoft Exchange Server CVE‑2026‑42897 Actively Exploited

May 15, 2026 Faeem 0

Overview Microsoft has disclosed a new vulnerability in on‑premises Exchange Server, tracked as CVE‑2026‑42897 (CVSS 8.1). The flaw, stemming from a cross‑site scripting (XSS) bug, […]

Windows DNS Client Vulnerability Enables Remote Code Execution

May 14, 2026 Faeem 0

Overview Microsoft has disclosed a critical flaw in the Windows DNS Client, tracked as CVE‑2026‑41096, with a CVSS score of 9.8. This vulnerability allows attackers […]

BitUnlocker Downgrade Attack Exposes Windows 11 BitLocker Weakness

May 13, 2026 Faeem 0

Overview A newly disclosed tool called BitUnlocker demonstrates a practical downgrade attack against Microsoft’s BitLocker encryption. By exploiting a gap between patching and certificate revocation, […]

Malicious Hugging Face Repository Executes Windows Malware

May 11, 2026 Faeem 0

Overview A trending Hugging Face repository named “Open‑OSS/privacy‑filter” was discovered hiding malware targeting Windows machines. Before removal, it had amassed 200,000+ downloads, tricking developers by […]

Critical Microsoft 365 Copilot Vulnerabilities Expose Sensitive Information

May 10, 2026 Faeem 0

Overview On May 7, 2026, Microsoft disclosed and fully remediated three critical information disclosure vulnerabilities affecting Microsoft 365 Copilot and Copilot Chat in Microsoft Edge. […]

Phantom Device Registration Exposes Azure AD Conditional Access Weakness

May 6, 2026 Faeem 0

Overview Conditional Access in Microsoft Entra ID (formerly Azure AD) is designed to enforce identity and device trust before granting access. But a recent red […]

CloudZ RAT Exploits Microsoft Phone Link to Steal OTPs

May 5, 2026 Faeem 0

Overview Researchers have uncovered a new variant of the CloudZ remote access tool (RAT) that deploys a malicious plugin called Pheno. This plugin hijacks the […]

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