PT-2023-1608 · Microsoft · Office Word+2

·

CVE-2023-21716

·

Published

2023-02-14

·

Updated

2026-02-04

CVSS v2.0

10

Critical

VectorAV:N/AC:L/Au:N/C:C/I:C/A:C
Name of the Vulnerable Software and Affected Versions Microsoft Word (affected versions not specified)
Description The issue is related to a buffer overflow in memory, allowing remote attackers to execute arbitrary code by opening a specially crafted file. This can affect the system. The vulnerability is associated with the RTF parser and can be triggered with a table of fonts containing an excessive number of entries. It has been reported that a proof-of-concept exploit is available, which can be chained with other vulnerabilities to achieve remote code execution.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

DoS

RCE

Integer Overflow

Buffer Overflow

Found an issue in the description? Have something to add? Feel free to write us 👾

Weakness Enumeration

Related Identifiers

BDU:2023-01104
CVE-2023-21716

Affected Products

Office Word
Sharepoint Foundation
Sharepoint Server