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Better late than never after SharePoint assault? Microsoft has reportedly stopped giving Chinese companies proof-of-concept exploit code for soon-to-be-disclosed vulnerabilities following last month's SharePoint zero-day attacks, which appear to be related to a leak in Redmond's early-bug-notification program.…

More from The Register 22 Aug 2025, 10:58 a.m. 0-Day China Disclosure Exploit Leak Microsoft Notification PoC Vulnerability
Bank Info Security 11 months, 3 weeks ago

Microsoft Traces On-Premises SharePoint Exploits to China

But Hacking Groups of All Stripes Now Have Access to Exploit Code, Researchers WarnMicrosoft said an attack campaign targeting zero-day vulnerabilities in on-premises SharePoint servers appears to have begun by July 7, tied to three Chinese hack groups. With proof-of-concept exploit code now in the wild, security experts said hackers of all stripes have joined the fray.

More from Bank Info Security 23 Jul 2025, 5:00 a.m. 0-Day China Exploit Hacking Microsoft PoC Research Vulnerability