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Microsoft Excel Remote Code Execution Vulnerability

🗓️ 14 Jul 2026 14:00:00Reported by MicrosoftType 
mscve
 mscve
🔗 msrc.microsoft.com👁 4 Views

Microsoft Excel remote code execution via heap-based overflow enabling local code execution.

Related
Detection
ReporterTitlePublishedViews
Family
Circl
CVE-2026-56156
14 Jul 202619:00
circl
CVE
CVE-2026-56156
14 Jul 202617:09
cve
Cvelist
CVE-2026-56156 Microsoft Excel Remote Code Execution Vulnerability
14 Jul 202617:09
cvelist
EUVD
EUVD-2026-44232
14 Jul 202617:09
euvd
NCSC
vulnerabilities present in Microsoft Office
14 Jul 202618:40
ncsc
NVD
CVE-2026-56156
14 Jul 202618:18
nvd
Positive Technologies
PT-2026-58591
14 Jul 202600:00
ptsecurity
Vulnrichment
CVE-2026-56156 Microsoft Excel Remote Code Execution Vulnerability
14 Jul 202617:09
vulnrichment
Vulners
Node
microsoftoffice_2024Range<16.0.17932.20884ltscx64
OR
microsoftoffice_2024Range<16.0.17932.20884ltscx32
OR
microsoftoffice_2021Range<16.0.14334.20806ltscx32
OR
microsoftoffice_2021Range<16.0.14334.20806ltscx64
OR
microsoftoffice_macos_2021Range<16.111.26071215ltsc
OR
microsoft365_appsRange<16.0.20131.20154current_channelenterprisex64
OR
microsoft365_appsRange<16.0.20131.20152monthly_enterprise_channelenterprisex64
OR
microsoft365_appsRange<16.0.20026.20236monthly_enterprise_channelenterprisex64
OR
microsoft365_appsRange<16.0.19929.20264monthly_enterprise_channelenterprisex64
OR
microsoft365_appsRange<16.0.20131.20150semi-annual_enterprise_channelenterprisex64
OR
microsoft365_appsRange<16.0.20131.20154current_channelenterprisex32
OR
microsoft365_appsRange<16.0.20131.20152monthly_enterprise_channelenterprisex32
OR
microsoft365_appsRange<16.0.20026.20236monthly_enterprise_channelenterprisex32
OR
microsoft365_appsRange<16.0.19929.20264monthly_enterprise_channelenterprisex32
OR
microsoft365_appsRange<16.0.20131.20150semi-annual_enterprise_channelenterprisex32
OR
microsoftoffice_365_proplusRange<16.111.26071215macos
OR
microsoftoffice_macos_2024Range<16.111.26071215ltsc

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14 Jul 2026 14:00Current
6.3Medium risk
Vulners AI Score6.3
CVSS 3.17.8
SSVC
4