CVE-2021-34518

Microsoft Excel Remote Code Execution Vulnerability

CVSS v3 7.8 HIGH
CVSS v2.0 6.8 MEDIUM

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.8^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:P/I:P/A:P

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-34518
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34518	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:microsoft:excel:2013:sp1:::::x64:*
	cpe:2.3:a:microsoft:excel:2013:sp1:::::x86:*
	cpe:2.3:a:microsoft:excel:2013:sp1:::rt:::*
	cpe:2.3:a:microsoft:excel:2016::::::x64:
	cpe:2.3:a:microsoft:excel:2016::::::x86:
	cpe:2.3:a:microsoft:office_web_apps_server:2013:sp1::::::

History

No history.

Information

Published : 2021-07-14 18:15

Updated : 2026-08-10 16:17

NVD link : CVE-2021-34518

Mitre link : CVE-2021-34518

CVE.ORG link : CVE-2021-34518

JSON object : View

Products Affected

microsoft

office_web_apps_server
excel

CWE

NVD-CWE-noinfo

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