⚠ Exploited in the wild
Exploitation observed in the wild. Not yet on CISA KEV.

CVE-2023-21716 — Integer Overflow or Wraparound in Microsoft 365 Apps FOR Enterprise

CWE-190 — Integer Overflow or Wraparound7 documents6 sources
Severity
9.8CRITICALNVD
EPSS
91.4%
top 0.33%
CISA KEV
Not in KEV
Exploit
Exploited in wild
Active exploitation observed
Affected products
23
Microsoft 365 Apps FOR EnterpriseMicrosoft Office 2019Microsoft Office 2019 FOR MAC+20 more
Timeline
PublishedFeb 14
Latest updateMar 9

Description

Microsoft Word Remote Code Execution Vulnerability

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages23 packages

▶CVEListV5microsoft/microsoft_word_201616.0.1 — 16.0.5383.1000
▶CVEListV5microsoft/microsoft_word_2013_service_pack_115.0.1 — 15.0.5529.1000
▶NVDmicrosoft/word2013
▶CVEListV5microsoft/microsoft_office_201919.0.0 — https://aka.ms/OfficeSecurityReleases
▶CVEListV5microsoft/microsoft_office_ltsc_202116.0.1 — https://aka.ms/OfficeSecurityReleases

Patches

Patch: msrc.microsoft.com ↗Patch: msrc.microsoft.com ↗

🔴Vulnerability Details

3
GHSA
GHSA-64mm-8wcm-jw5g: Microsoft Word Remote Code Execution Vulnerability↗2023-02-14
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CVEList
Microsoft Word Remote Code Execution Vulnerability↗2023-02-14
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VulnCheck
Microsoft Word Remote Code Execution↗2023
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📋Vendor Advisories

1
Microsoft
Microsoft Word Remote Code Execution Vulnerability↗2023-02-14
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🕵️Threat Intelligence

2
Sentinelone
CVE-2023-21716 - Microsoft Word Remote Code Execution Vulnerability↗2023-03-09
▶
Sentinelone
CVE-2023-21716 - Microsoft Word Remote Code Execution Vulnerability↗2023-03-09
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CVE-2023-21716 — Integer Overflow or Wraparound | cvebase