6.5Medium

CVE-2026-119993Microsoft Office Outlook Information Disclosure Vulnerability

Microsoft Microsoft 365 Apps for Enterprise; Microsoft Microsoft Office LTSC 2021; Microsoft Microsoft Office LTSC 2024 Published: 2026-11-10 21:25 (3 days ago)

Description

Access of resource using incompatible type ('type confusion') in Microsoft Office Outlook allows an unauthorized attacker to disclose information over a network.

Weakness (CWE): CWE-843 CWE-822

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

Vendor	Product	Versions
microsoft	365 apps	16.0.1 – < https://aka.ms/OfficeSecurityReleases
Microsoft	Microsoft 365 Apps for Enterprise	16.0.1 – < https://aka.ms/OfficeSecurityReleases
Microsoft	Microsoft Office LTSC 2021	16.0.1 – < 16.0.14334.21048
Microsoft	Microsoft Office LTSC 2024	16.0.0 – < 16.0.17932.21140
microsoft	office 2021	16.0.1 – < 16.0.14334.21048
microsoft	office 2024	16.0.0 – < 16.0.17932.21140

References and patches

Microsoft Office Outlook Information Disclosure Vulnerability vendor-advisorypatch

CVSS score

6.5Medium

Source: microsoft · CVSS 3.1

Attack vector: Network
Attack complexity: Low
Privileges required: None
User interaction: Required
Scope: Unchanged
Confidentiality: High
Integrity: None
Availability: None

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C

All scores (2)

cna	CVSS 3.1	6.5Medium
secure@microsoft.com	CVSS 3.1	6.5Medium

EPSS (chance of exploitation in 30 days)

0.91%

higher than 61% of all CVEs

CISA assessment (SSVC)

Exploitation: none
Automatable: no
Technical impact: partial

Timeline

ID reserved2026-10-30
Published2026-11-10 21:25
Reached IP-DB2026-11-10 22:03
Last updated2026-11-13 21:13

Assigned by (CNA): microsoft
NVD status: Awaiting Analysis

View at source: CVE.org · NVD

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