PT-2021-5070 · Microsoft · Office Excel+1

Published 2021-11-09 · Updated 2023-12-28 · CVE-2021-40442

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Microsoft Excel (affected versions not specified)

Description The issue is related to incorrect code generation management in Microsoft Excel, allowing remote attackers to execute arbitrary code. This can be exploited by attackers to gain unauthorized access and execute malicious code.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Code Injection

Weakness Enumeration

CWE-94

Related Identifiers

BDU:2021-05850

CVE-2021-40442

Affected Products

Office Excel

Sharepoint Server

References · 8

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-40442 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-40442 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-40442 · Security Note
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40442 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-40442 · Security Note
• https://bdu.fstec.ru/vul/2021-05850 · Security Note
• https://t.me/cvenotify/65448 · Telegram Post
• https://cybersecurity-help.cz/vdb/SB2021110941 · Note