Vulnerability Details : CVE-2021-43256
Microsoft Excel Remote Code Execution Vulnerability
Vulnerability category: Execute code
Products affected by CVE-2021-43256
- cpe:2.3:a:microsoft:office:2019:*:*:*:*:*:x64:*
- cpe:2.3:a:microsoft:office:2019:*:*:*:*:*:x86:*
- cpe:2.3:a:microsoft:office:2021:*:*:*:ltsc:*:x64:*
- cpe:2.3:a:microsoft:office:2021:*:*:*:ltsc:*:x86:*
- cpe:2.3:a:microsoft:excel:2013:sp1:*:*:*:*:x64:*
- cpe:2.3:a:microsoft:excel:2013:sp1:*:*:*:*:x86:*
- cpe:2.3:a:microsoft:excel:2016:*:*:*:*:*:x64:*
- cpe:2.3:a:microsoft:excel:2016:*:*:*:*:*:x86:*
- cpe:2.3:a:microsoft:office_web_apps:2013:sp1:*:*:*:*:*:*
- cpe:2.3:a:microsoft:office_online_server:-:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:excel_rt:2013:sp1:*:*:*:*:*:*
- cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:x64:*
- cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:x86:*
Exploit prediction scoring system (EPSS) score for CVE-2021-43256
14.94%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 96 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-43256
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
NIST | |
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST | |
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
Microsoft Corporation |
References for CVE-2021-43256
-
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-43256
CVE-2021-43256 - Security Update Guide - Microsoft - Microsoft Excel Remote Code Execution VulnerabilityPatch;Vendor Advisory
Jump to