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CVE-2026-70332 is a critical server-side request forgery vulnerability in Microsoft SharePoint Online. The flaw allows an attacker to cause the SharePoint service to issue unauthorized network requests on the attacker's behalf, resulting in spoofing over a network. Available reporting indicates the issue is remotely reachable with low attack complexity and affects an exclusively hosted Microsoft service. Additional reporting also characterizes exploitation as enabling requests from the SharePoint service toward internal or otherwise restricted resources, which is consistent with SSRF behavior.
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No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
9 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A critical SSRF vulnerability in Microsoft SharePoint that allows low-privilege authenticated attackers to make unauthorized server-side requests.
An SSRF vulnerability in Microsoft SharePoint Online that allows an unauthorized attacker to perform spoofing over a network.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.