CVE-2026-62882

Microsoft Outlook Spoofing Vulnerability

At a glance

Severity
MEDIUM 4.3
EPSS
EPSS 0.67 % · percentile 52 (2026-10-27)
State
PUBLISHED
Published
Updated
Assigner
microsoft
NVD status
Analyzed

Description

Insufficiently protected credentials in Microsoft Office Outlook allows an unauthorized attacker to perform spoofing over a network.

Scores

VersionScoreVectorScored by
CVSS 3.1MEDIUM 4.3CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:Cmicrosoft
CVSS 3.1MEDIUM 4.3CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:NNVD · secure@microsoft.com (Secondary)

Weaknesses (CWE)

European references

CERT-FR advisories

Affected configurations (NVD CPE)

Affected products

ProductVersions
Microsoft · Microsoft 365 Apps for Enterpriseaffected 16.0.1 < https://aka.ms/OfficeSecurityReleases
Microsoft · Microsoft Office 2019affected 19.0.0 < https://aka.ms/OfficeSecurityReleases
Microsoft · Microsoft Office LTSC 2021affected 16.0.1 < https://aka.ms/OfficeSecurityReleases
Microsoft · Microsoft Office LTSC 2024affected 16.0.0 < https://aka.ms/OfficeSecurityReleases
Microsoft · Microsoft Outlook 2016affected 16.0.0.0 < 16.0.5565.1000

References

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD