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Microsoft Patched Flaw Allowing Attackers to Hijack Copilot ResponsesA well-phrased email was all an attacker would have needed to trick Microsoft Copilot into handing over sensitive data until the operating system giant patched the vulnerability. The zero-click prompt injection attack vulnerability received a CVSS severity score of 9.3.
A now-patched security flaw in Microsoft Outlook could be exploited by threat actors to access NT LAN Manager (NTLM) v2 hashed passwords when opening a specially crafted file
Technical details have emerged about two now-patched security flaws in Microsoft Windows that could be chained by threat actors to achieve remote code execution on the Outlook email service sans any user interaction
State-sponsored actors continue to exploit CVE-2023-23397, a dangerous no-interaction vulnerability in Microsoft's Outlook email client that was patched in March, in a widespread global campaign.
Microsoft Corp. is investigating reports that attackers are exploiting two previously unknown vulnerabilities in Exchange Server, a technology many organizations rely on to send and receive email. Microsoft says it is expediting work on software patches to plug the security holes. In the meantime, it is urging a subset of Exchange customers to enable a setting that could help mitigate ongoing attacks.
The "ProxyNotShell" security vulnerabilities can be chained for remote code execution and total takeover of corporate email platforms.
Microsoft today released updates to fix a record 141 security vulnerabilities in its Windows operating systems and related software. Once again, Microsoft is patching a zero-day vulnerability in the Microsoft Support Diagnostics Tool (MSDT), a service built into Windows. Redmond also addressed multiple flaws in Exchange Server — including one that was disclosed publicly prior to today — and it is urging organizations that use Exchange for email to update as soon as possible and to enable additional protections.