CVE-2021-34518
published 2021-07-14CVE-2021-34518: Microsoft Excel Remote Code Execution Vulnerability
PriorityP341high7.8CVSS 3.1
AVLACLPRNUIRSUCHIHAH
EPSS
2.15%
80.2th percentile
Microsoft Excel Remote Code Execution Vulnerability
Affected
11 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| microsoft | excel | — | — |
| microsoft | excel | — | — |
| microsoft | microsoft_excel_2013_service_pack_1 | >= 15.0.0.0 < 15.0.5363.1000 | 15.0.5363.1000 |
| microsoft | microsoft_excel_2016 | >= 16.0.0.0 < 16.0.5188.100 | 16.0.5188.100 |
| microsoft | microsoft_excel_2016 | >= 16.0.0.0 < 16.0.5188.1000 | 16.0.5188.1000 |
| microsoft | microsoft_office_web_apps_server_2013_service_pack_1 | >= 15.0.1 < 15.0.5363.1000 | 15.0.5363.1000 |
| microsoft | office_web_apps_server | — | — |
| msrc | microsoft_excel_2013_rt_service_pack_1 | — | — |
| msrc | microsoft_excel_2013_service_pack_1 | — | — |
| msrc | microsoft_excel_2016 | — | — |
| msrc | microsoft_office_web_apps_server_2013_service_pack_1 | — | — |
CVSS provenance
nvdv3.17.8HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
nvdv2.06.8MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:P
vendor_msrc7.8HIGH
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GHSA
GHSA-q4qr-976g-hx68: Microsoft Excel Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-34518
ghsa_unreviewed·2022-05-24·CVSS 7.8
CVE-2021-34501 [HIGH] GHSA-q4qr-976g-hx68: Microsoft Excel Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-34518
Microsoft Excel Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-34518.
GHSA
GHSA-m57f-pffq-7g3c: Microsoft Excel Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-34501
ghsa_unreviewed·2022-05-24·CVSS 7.8
CVE-2021-34518 [HIGH] GHSA-m57f-pffq-7g3c: Microsoft Excel Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-34501
Microsoft Excel Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-34501.
Microsoft
Microsoft Excel Remote Code Execution Vulnerability
vendor_msrc·2021-07-13·CVSS 7.8
CVE-2021-34518 [HIGH] Microsoft Excel Remote Code Execution Vulnerability
Microsoft Excel Remote Code Execution Vulnerability
FAQ: Is the Preview Pane an attack vector for this vulnerability?
No, the Preview Pane is not an attack vector.
FAQ: According to the CVSS metric, user interaction is required (UI:R). What interaction would the user have to do?
Exploitation of the vulnerability requires that a user open a specially crafted file.
In an email attack scenario, an attacker could exploit the vulnerability by sending the specially crafted file to the user and convincing the user to open the file.
In a web-based attack scenario, an attacker could host a website (or leverage a compromised website that accepts or hosts user-provided content) containing a specially crafted file designed to exploit the vulnerability.
An attacker would have no way to force users
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2021-07-14
Published