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Microsoft Excel Remote Code Execution Vulnerability

🗓️ 14 Jul 2026 14:00:00Reported by MicrosoftType 
mscve
 mscve
🔗 msrc.microsoft.com👁 108 Views

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

Related
Detection
ReporterTitlePublishedViews
Family
bdu_fstec
BDU FSTEC
Microsoft Office Excel 365 Apps for Enterprise Code Execution
20 Jul 202600:00
–bdu_fstec
circl
Circl
CVE-2026-56156
14 Jul 202619:00
–circl
cnvd
CNVD
Microsoft Office Excel heap buffer overflow vulnerability (CNVD-2026-29405)
15 Jul 202600:00
–cnvd
cve
CVE
CVE-2026-56156
14 Jul 202617:09
–cve
cvelist
Cvelist
CVE-2026-56156 Microsoft Excel Remote Code Execution Vulnerability
14 Jul 202617:09
–cvelist
euvd
EUVD
EUVD-2026-44232
14 Jul 202617:09
–euvd
nessus
Tenable Nessus
Security Updates for Microsoft Office Products (July 2026) (macOS)
15 Jul 202600:00
–nessus
ncsc
NCSC
vulnerabilities present in Microsoft Office
21 Jul 202613:07
–ncsc
nvd
NVD
CVE-2026-56156
14 Jul 202618:18
–nvd
ptsecurity
Positive Technologies
PT-2026-58591
14 Jul 202600:00
–ptsecurity
Rows per page
Vulners
Node
OR
microsoftoffice_2024Range<16.0.17932.20884ltscx64
microsoftoffice_2024Range<16.0.17932.20884ltscx32
microsoftoffice_2021Range<16.0.14334.20806ltscx32
microsoftoffice_2021Range<16.0.14334.20806ltscx64
microsoftoffice_macos_2021Range<16.111.26071215ltsc
microsoft365_appsRange<16.0.20131.20154current_channelenterprisex64
microsoft365_appsRange<16.0.20131.20152monthly_enterprise_channelenterprisex64
microsoft365_appsRange<16.0.20026.20236monthly_enterprise_channelenterprisex64
microsoft365_appsRange<16.0.19929.20264monthly_enterprise_channelenterprisex64
microsoft365_appsRange<16.0.20131.20150semi-annual_enterprise_channelenterprisex64
microsoft365_appsRange<16.0.20131.20154current_channelenterprisex32
microsoft365_appsRange<16.0.20131.20152monthly_enterprise_channelenterprisex32
microsoft365_appsRange<16.0.20026.20236monthly_enterprise_channelenterprisex32
microsoft365_appsRange<16.0.19929.20264monthly_enterprise_channelenterprisex32
microsoft365_appsRange<16.0.20131.20150semi-annual_enterprise_channelenterprisex32
microsoftoffice_365Range<16.111.26071215macos
microsoftoffice_macos_2024Range<16.111.26071215ltsc

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14 Jul 2026 14:00Current
7.8High risk
Vulners AI Score7.8
CVSS 3.17.8
EPSS0.00466
SSVC
108