CVE-2026-20955

7.8HIGH

Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

Published: 1/13/2026Updated: 1/14/2026

Description

Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

AI AnalysisPowered by AI

Affected Products

microsoft365_apps
-
microsoft365_apps
-
microsoftoffice
2019
microsoftoffice
2019
microsoftoffice_long_term_servicing_channel
2021
microsoftoffice_long_term_servicing_channel
2021
microsoftoffice_long_term_servicing_channel
2021
microsoftoffice_long_term_servicing_channel
2024
microsoftoffice_long_term_servicing_channel
2024
microsoftoffice_long_term_servicing_channel
2024
microsoftoffice_online_server

References