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Indicators are what attackers leave behind. Stolen credentials are what they arrive with.

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2 IOCs

Public PoC Released for SharePoint Remote Code Execution Vulnerability

Cyber Press
Cyber Press
Published July 7, 2026Original Report

Excerpt

A working proof-of-concept exploit for CVE-2026-33112 , a critical vulnerability in Microsoft SharePoint that allows low-privilege authenticated users to achieve remote code execution by bypassing the XmlValidator security control. The flaw represents a fresh bypass of Microsoft’s second patch for CVE-2025-53770 , highlighting the persistent difficulty of fully remediating deserialization-based attack chains in SharePoint’s DataSet handling. PoC for SharePoint RCE…

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Attack Flow5 steps · MITRE ATT&CK mapped

Initial AccessTA0001T1078
1/5
Valid Accounts
ActionLog in as low-privilege user
Attacker logs in as a low-privilege site member.

Indicators of Compromise

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2 indicators

TypeIndicatorConfidenceScoreFirst Seen
CVECVE-2026-33112MediumScore 51/100First seen
CVECVE-2025-53770HighScore 79/100First seen

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