Main Vulnerability Database Vulnerabilities #VU21649

Input validation error in Microsoft products - CVE-2019-1327

Published: October 9, 2019

Vulnerability identifier: #VU21649

CSH Severity: High

CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2019-1327

CWE-ID: CWE-20

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to insufficient validation of user-supplied input when the software fails to properly handle objects in memory in Microsoft Excel software.

Successful exploitation of the vulnerability allows remote code execution but requires that a user open a specially crafted file with an affected version of Microsoft Excel.

Affected software

Microsoft Office
Microsoft Excel
Microsoft Office for macOS

How to mitigate CVE-2019-1327

Install update from vendor's website.

External References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1327

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