CVEvulnerability
CVE-2021-42292
CISA Known Exploited Vulnerability
Microsoft Excel Security Feature Bypass — Microsoft Office
A security feature bypass vulnerability in Microsoft Excel would allow a local user to perform arbitrary code execution.
- Added to KEV
- 2021-11-17
- Remediation due
- 2021-12-01
- Ransomware use
- Unknown
- Required action
- Apply updates per vendor instructions.
- Notes
- https://nvd.nist.gov/vuln/detail/CVE-2021-42292
- Status
- Analyzed
- Published
- 2021-11-10
- Last modified
- 2026-08-19
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 6.8 MEDIUM — AV:N/AC:M/Au:N/C:P/I:P/A:P
Description
Microsoft Excel Security Feature Bypass Vulnerability
Affected configurations
• microsoft 365 apps
• microsoft excel 2013
• microsoft excel 2016
• microsoft office 2013
• microsoft office 2019
• microsoft office 2016
• microsoft office 2021
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-42292 Patch, Vendor Advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42292 Patch, Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-42292 US Government Resource