CVE-2026-33822 - Vulnerability Details - OpenCVE

Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information locally.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact High

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact partial

Vendors	Products
Microsoft	365 Apps Office Macos 2021 Office Macos 2024

No data.

No data.

References

Link	Providers
https://www.spirityenterprise.com/managed-detection-response-microsoft
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33822

History

Tue, 14 Apr 2026 20:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

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

Type	Values Removed	Values Added
Description		Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information locally.
Title		Microsoft Word Information Disclosure Vulnerability
First Time appeared		Microsoft Microsoft 365 Apps Microsoft office Macos 2021 Microsoft office Macos 2024
Weaknesses		CWE-125
CPEs		cpe:2.3:a:microsoft:365_apps:::::enterprise:::* 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 Macos 2021 Microsoft office Macos 2024
References		https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33822
Metrics		cvssV3_1 `{'score': 6.1, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H/E:U/RL:O/RC:C'}`

MITRE

Status: PUBLISHED

Assigner: microsoft

Published: 2026-04-14T16:57:48.786Z

Updated: 2026-04-14T19:37:42.682Z

Reserved: 2026-03-24T00:52:01.351Z

Link: CVE-2026-33822

Vulnrichment

Updated: 2026-04-14T19:35:36.460Z

NVD

Status : Received

Published: 2026-04-14T18:17:34.590

Modified: 2026-04-14T18:17:34.590

Link: CVE-2026-33822

Redhat

No data.

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