TI-2020-00949 Aliases CVE-2020-0979 GHSA-j7ph-9246-53g3

A remote code execution vulnerability exists in Microsoft Excel software when the…

MEDIUM 52Published 2020-04-15 · Updated 2024-08-04

Key facts

Attack vector: Network
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in memory, aka 'Microsoft Excel Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2020-0906.

Why it matters now

EPSS 0.11536 96th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Microsoft	Office 365 ProPlus	32-bit Systems; 64-bit Systems	—	No fix listed	CNA

Office 365 ProPlus VendorMicrosoft Affected 32-bit Systems; 64-bit Systems Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:microsoft:office_365_proplus:-:::::::*	not specified by NVD	Vulnerable	Microsoft

cpe:2.3:a:microsoft:office_365_proplus:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Microsoft

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2020-0979
2026-10-03 Alias added: GHSA-j7ph-9246-53g3

References

Patch 1

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0979

TI-2019-01013 A remote code execution vulnerability exists in Microsoft Excel software when the… KEVCVSS 3.1HIGH 8.8
TI-2019-00335 Command injection in Microsoft Office KEVCVSS 3.1HIGH 8.8
TI-2019-00377 A remote code execution vulnerability exists in Microsoft Word software when it fails to… CVSS 3.0HIGH 8.8
TI-2019-01151 A remote code execution vulnerability exists in Microsoft Excel software when the… CVSS 3.1HIGH 7.8
TI-2019-01045 A remote code execution vulnerability exists in Microsoft Excel software when the… CVSS 3.1HIGH 8.8
TI-2018-06240 A remote code execution vulnerability exists in Microsoft Outlook software when it fails… CVSS 3.0HIGH 7.8

See all 83 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences