SKYWATCHSM ALERTS

CVE-2023-21716 Microsoft Office Remote Code Execution Vulnerability

March 7, 2023
skywatcg-alert-2

  • ransom-4

    TLP-GREEN

CVE-2023-21716 is a critical vulnerability in Microsoft Office's wwlib that allows attackers to execute arbitrary code with the privileges of the victim who opens a malicious RTF document.

The vulnerability affects several versions of Microsoft Office, including Office 365, 2016, 2013, 2010, and 2007.

Attackers can exploit this vulnerability by delivering a malicious RTF file via email or other means.

SkyWatchSM Alert Legend

  • small-bell

    Warning

  • active-threat0-lt-green

    Active Threat

  • malware-lt-green

    Malware

  • ransome-lt-green

    Ransomware

  • warning-green

    Phishing

  • file-green

    Network/IOT

Glesec Information Sharing Protocol

GLESEC CYBER SECURITY INCIDENT REPORTS are in compliance with the U.S. Department of Homeland Security (DHS) Traffic-Light Protocol (TLP).

  • TLP-White

    Disclosure is Not Limited.

  • TLP-Green

    Limited Disclosure, Restricted Only to the Community.

  • TLP-Amber

    Limited Disclosure, restricted to the Participant's Organization.

  • TLP-Red

    Not for Disclosure, Restricted/ Classified - Only Shared with US DHS.

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