CVE-2026-33115 - Vulnerability Details - OpenCVE

Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Vendors	Products
Microsoft	365 Apps Office 2021 Office 2024 Office Macos 2021 Office Macos 2024

No data.

No data.

References

Link	Providers
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33115

History

Tue, 14 Apr 2026 17:30:00 +0000

Type	Values Removed	Values Added
Description		Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.
Title		Microsoft Word Remote Code Execution Vulnerability
First Time appeared		Microsoft Microsoft 365 Apps Microsoft office 2021 Microsoft office 2024 Microsoft office Macos 2021 Microsoft office Macos 2024
Weaknesses		CWE-416
CPEs		cpe:2.3:a:microsoft:365_apps:::::enterprise:::* cpe:2.3:a:microsoft:office_2021:::::long_term_servicing_channel:::* cpe:2.3:a:microsoft:office_2024:::::long_term_servicing_channel:::* cpe:2.3:a:microsoft:office_macos_2021::::::long_term_servicing_channel::* cpe:2.3:a:microsoft:office_macos_2024::::::long_term_servicing_channel::*
Vendors & Products		Microsoft Microsoft 365 Apps Microsoft office 2021 Microsoft office 2024 Microsoft office Macos 2021 Microsoft office Macos 2024
References		https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33115
Metrics		cvssV3_1 `{'score': 8.4, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C'}`

MITRE

Status: PUBLISHED

Assigner: microsoft

Published: 2026-04-14T16:58:44.154Z

Updated: 2026-04-14T16:58:44.154Z

Reserved: 2026-03-17T20:15:23.721Z

Link: CVE-2026-33115

Vulnrichment

No data.

NVD

Status : Received

Published: 2026-04-14T18:17:33.707

Modified: 2026-04-14T18:17:33.707

Link: CVE-2026-33115

Redhat

No data.

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