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Microsoft 365 Apps For Enterprise CVE-2026-55142

| EUVDEUVD-2026-44212 MEDIUM
Numeric Truncation Error (CWE-197)
2026-07-14 microsoft GHSA-vm6w-v59c-562f
5.5
CVSS 3.1 · Vendor: microsoft
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Severity by source

Vendor (microsoft) PRIMARY
5.5 MEDIUM
AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
ENISA EUVD
HIGH
qualitative

Primary rating from Vendor (microsoft).

CVSS VectorVendor: microsoft

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

Lifecycle Timeline

1
CVE Published
Jul 14, 2026 - 17:09 cve.org
MEDIUM 5.5

DescriptionCVE.org

Numeric truncation error in Microsoft Office Word allows an unauthorized attacker to disclose information locally.

Analysis

Numeric truncation error in Microsoft Office Word allows an unauthorized attacker to disclose information locally.

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CVE-2026-55033 HIGH
7.8 Jul 14

Local code execution in Microsoft Word (and Office/SharePoint components that render Word content) stems from an integer

CVE-2026-50314 HIGH
7.8 Jul 14

Local code execution in Microsoft Office (2016, 2019, LTSC 2021/2024, Microsoft 365 Apps, and the macOS editions) arises

CVE-2026-55038 HIGH
7.8 Jul 14

Arbitrary code execution in Microsoft Office Word (and the broader Office/365/SharePoint family) arises from a stack-bas

CVE-2026-47290 HIGH
7.8 Jul 14

Local code execution in Microsoft Office (including Microsoft 365 Apps for Enterprise, Office 2016/2019, and Office LTSC

CVE-2026-55132 HIGH
7.8 Jul 14

Local code execution in Microsoft Word (part of Microsoft 365 Apps, Office 2019, Office LTSC 2021/2024, and Office for M

CVE-2026-55022 HIGH
7.8 Jul 14

Local arbitrary code execution in Microsoft Office (2016, 2019, LTSC 2021/2024, Microsoft 365 Apps for Enterprise, and O

CVE-2026-55120 HIGH
7.8 Jul 14

Arbitrary code execution in Microsoft PowerPoint (and the broader Microsoft Office/365 suite on Windows and macOS) arise

CVE-2026-55123 HIGH
7.8 Jul 14

Local code execution in Microsoft Office PowerPoint (including Microsoft 365 Apps, Office 2019, Office LTSC 2021/2024, a

CVE-2026-55043 HIGH
7.8 Jul 14

Local code execution in Microsoft Office PowerPoint (CWE-122 heap-based buffer overflow) lets an unauthorized attacker r

CVE-2026-55127 HIGH
7.8 Jul 14

Local code execution in Microsoft Word (and the wider Microsoft Office / Microsoft 365 Apps family) lets an unauthorized

CVE-2026-55018 HIGH
7.8 Jul 14

Local code execution in Microsoft Office (2016, 2019, LTSC 2021/2024, Microsoft 365 Apps for Enterprise, and Office for

CVE-2026-50467 HIGH
7.8 Jul 14

Local code execution in Microsoft Office (2016, 2019, LTSC 2021/2024, Microsoft 365 Apps, and Office for Mac 2021/2024)

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CVE-2026-55142 vulnerability details – vuln.today

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