SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-1999-1055

Microsoft Excel 97 does not warn the user before executing worksheet functions, which could allow attackers to execute arbitrary commands by using the CALL function to execute a malicious DLL, aka the Excel "CALL Vulnerability."

HIGH 7.5EPSS 6.88%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (6.88%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Microsoft Excel 97 does not warn the user before executing worksheet functions, which could allow attackers to execute arbitrary commands by using the CALL function to execute a malicious DLL, aka the Excel "CALL Vulnerability."

CVSS 2.0
7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
EPSS
6.88% probability · 94th percentile
CISA KEV
Not listed
Affected
microsoft/excel
Source
cve@mitre.org

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.