SARA / Free Tools / KEV / CVE-2021-42292

CVE-2021-42292 on CISA KEV

Microsoft Excel Security Feature Bypass Vulnerability

CISA KEV — Actively Exploited

Microsoft Excel Security Feature Bypass

Vendor / Product
— / Microsoft / Office
Added to KEV
2021-11-17
BOD 22-01 due
2021-12-01
Ransomware use
Unknown
CVSS / EPSS
7.8 HIGH · EPSS 19.10%

01What CISA says about this vulnerability

Microsoft Excel Security Feature Bypass Vulnerability

02Required action — verbatim from CISA

Apply updates per vendor instructions.

03Notes & references

04SARA's analyst layer — why this matters

This vulnerability is currently on the CISA KEV list, which CISA only adds CVEs to when there is reliable evidence of active exploitation in the wild. For federal civilian agencies, BOD 22-01 requires remediation by the due date above. For everyone else, KEV is the strongest "patch immediately" signal you can get from public threat intel.

05Affected products (summary)

VendorProductVersions
MicrosoftMicrosoft Office 201919.0.0
MicrosoftMicrosoft Office 2019 for Mac16.0.0
MicrosoftMicrosoft 365 Apps for Enterprise16.0.1
MicrosoftMicrosoft Office LTSC for Mac 202116.0.1
MicrosoftMicrosoft Office LTSC 202116.0.1
MicrosoftMicrosoft Excel 201616.0.0.0
MicrosoftMicrosoft Office 201616.0.0
MicrosoftMicrosoft Excel 2013 Service Pack 115.0.0.0
MicrosoftMicrosoft Office 2013 Service Pack 115.0.0

06Detection

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection:

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Programmatic KEV data?
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