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Critical SharePoint Bug Under Attack
<p class="wp-block-paragraph">Researchers are warning that threat actors are actively exploiting a recent SharePoint critical vulnerability that Microsoft patched last week in its July Patch Tuesday release. </p>
<p class="wp-block-paragraph">The flaw (CVE-2026-50522) affects SharePoint Enterprise Server 2016 and 2019 as well as SharePoint Subscription service. Microsoft released the <a hr
MITRE ATT&CK techniques
- SharepointT1213.002
Indicators of compromise
- CVE-2026-50522cve
- https://www.zerodayinitiative.com/blog/2026/5/16/pwn2own-berlin-2026-day-three-results-and-master-of-pwnurl
- https://www.zerodayinitiative.com/blog/2026/7/14/the-july-2026-security-update-reviewurl
Original source: https://decipher.sc/2026/07/21/critical-sharepoint-bug-under-attack/