Vulnerability record

CVE-2026-119995

highCVSS 3.1 7.5Published · Microsoft

The short answer

CVE-2026-119995 affects Microsoft Microsoft 365 Apps for Enterprise and is rated high (CVSS 7.5). It is not in CISA's Known Exploited Vulnerabilities catalog.

What it is

Heap-based buffer overflow in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.

Weakness: CWE-122, CWE-190.

Severity

7.5 high

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploited (CISA KEV)

Not listed

CISA lists confirmed exploitation only

EPSS, next 30 days

No score

FIRST scores CVEs within a day of publication

How it can be exploited

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

Affected products

Microsoft 365 Apps for Enterprise, Microsoft Office LTSC 2021, Microsoft Office LTSC 2024. NVD's record lists the exact affected versions.

References

Questions

Is CVE-2026-119995 being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog as of 2026-11-11.

How do I fix CVE-2026-119995?

Follow the vendor advisory in the references below. NVD lists the affected versions under its configurations.

From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Awaiting Analysis. The description is NVD's text, quoted as published.

Related

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