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CVEs

CVE-2026-56164

exploited in the wild☆ pin
CVSS
5.3
Reports
18
First seen
Jul 14, 2026
Last seen
Jul 21, 2026
Affected product

Microsoft SharePoint Server

Associated actors

Blind Eagle ×1CylindricalCanine ×1GoldenEyeDog ×1INC Ransom ×1Qilin ×1ShinyHunters ×1The Gentlemen ×1UTA0533 ×1World Leaks ×1

Recent reports

Critical

Critical SharePoint RCE CVE-2026-50522 Under Active Exploitation After Public PoC

The Hacker NewsCritical

Weekly Recap: WordPress RCE, SonicWall 0-Days, AI Service Attacks, SharePoint 0-Day

The Hacker NewsHigh

Check Point Threat Intelligence Report – 20 July 2026

Check Point ResearchCritical

CISA Adds Exploited SharePoint RCE Zero-Day CVE-2026-58644 to KEV Catalog

The Hacker NewsCritical

Critical vulnerabilities in Microsoft SharePoint Server – CVE-2026-56164, CVE-2026-55040, CVE-2026-58644

Canadian Centre AlertsHigh

Microsoft releases record 622 patches in July; two SharePoint and AD flaws exploited in wild

The Record (Recorded Future News)High

Researcher Releases Windows Zero-Day PoC After Microsoft Patch Tuesday; SharePoint Flaws Actively Exploited

The Hacker NewsCritical

CISA warns admins to patch actively exploited SharePoint flaws

Bleeping ComputerHigh

Microsoft Releases July 2026 Security Updates; Two CVEs Exploited in the Wild

JPCERT/CC AlertsHigh

Microsoft July 2026 Security Updates: Multiple Vulnerabilities with Active Exploitation

GovCERT.HKHigh

Microsoft Monthly Security Update July 2026

HKCERTCritical

Microsoft Patch Tuesday July 2026: 622 Vulnerabilities Including 57 Critical RCE Flaws

Cisco TalosHigh

Microsoft Patches Record 622 Flaws in July; Two Zero-Days Under Active Attack

The Hacker NewsHigh

Microsoft discloses record 622 vulnerabilities in July Patch Tuesday

CyberScoopHigh

Microsoft security advisory – July 2026 monthly rollup (AV26-698)

Canadian Centre AlertsHigh

Microsoft Patches Record 570 Security Flaws; AI Accelerates Vulnerability Discovery

KrebsOnSecurityHigh

CISA Urges SharePoint Hardening After New Exploitations

CISA AdvisoriesHigh

CISA Adds Four Known Exploited Vulnerabilities to Catalog

CISA Advisories

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