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CVE-2018-8284 is a remote code execution vulnerability in Microsoft .NET Framework caused by improper input validation. Microsoft describes the issue as occurring when .NET Framework fails to validate input properly. The provided context further associates the flaw with SharePoint Workflow exploitation and characterizes it as similar to a deserialization issue in .NET workflow processing. Affected versions listed in the source include .NET Framework 2.0, 3.0, 3.5, 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, and 4.7.2. Based on the supplied material, the vulnerability was patched via .NET Framework updates rather than SharePoint-specific fixes.
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No public exploit code observed for this vulnerability.
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4 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A .NET Framework vulnerability associated with remote code execution in SharePoint Workflows affecting SharePoint Online and on-premises versions.
A previously reported related deserialization/code-execution issue referenced for similarity and patching context; the content does not provide detailed analysis of this vulnerability itself.
A remote code execution vulnerability in SharePoint Online that was patched by Microsoft in July 2018.
A remote code execution vulnerability in SharePoint Online that was patched by Microsoft in July 2018.
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.