PT-2020-4280 · Microsoft · Office Click-To-Run

Published 2020-10-13 · Updated 2023-12-31 · CVE-2020-16928

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 Office Click-to-Run (C2R) (affected versions not specified)

Description: The issue is related to errors in handling objects in memory, which can allow an attacker to elevate their privileges. To exploit this, an attacker would need to convince a user to open a specially crafted file. The estimated number of potentially affected devices worldwide is not available. There is no information about real-world incidents where this issue was exploited. Technical details about exploitation include that an attacker would need to convince a user to open a specially crafted file, but specific API Endpoints, Vulnerable Parameters or Variables, or Function Names are not mentioned.

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

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

BDU:2020-04772

CVE-2020-16928

Affected Products

Office Click-To-Run

References · 5

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16928 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-16928 · Vendor Advisory
• https://bdu.fstec.ru/vul/2020-04772 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2020-16928 · Security Note
• https://cybersecurity-help.cz/vdb/SB2020101339 · Note