CVE-2021-43256 — Microsoft 365 Apps FOR Enterprise vulnerability

4 documents4 sources
Severity
7.8HIGHNVD
EPSS
0.6%
top 31.00%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
11
Microsoft 365 Apps FOR EnterpriseMicrosoft Excel 2013 Service Pack 1Microsoft Excel 2016+8 more
Timeline
PublishedDec 15
Latest updateDec 16

Description

Microsoft Excel Remote Code Execution Vulnerability

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages11 packages

▶CVEListV5microsoft/microsoft_excel_201616.0.0.0 — 16.0.5254.1000
▶CVEListV5microsoft/microsoft_excel_2013_service_pack_115.0.0.0 — 15.0.5407.1000
▶NVDmicrosoft/excel2013, 2016+1
▶CVEListV5microsoft/office_online_serverhttps://aka.ms/OfficeSecurityReleases — 16.0.10381.20001

Patches

Patch: portal.msrc.microsoft.com ↗Patch: portal.msrc.microsoft.com ↗

🔴Vulnerability Details

2
GHSA
GHSA-xf9j-qfgm-f8jm: Microsoft Excel Remote Code Execution Vulnerability↗2021-12-16
▶
CVEList
Microsoft Excel Remote Code Execution Vulnerability↗2021-12-15
▶

📋Vendor Advisories

1
Microsoft
Microsoft Excel Remote Code Execution Vulnerability↗2021-12-14
▶
CVE-2021-43256 — Microsoft vulnerability | cvebase