CVE record · CVE-2026-62882

Microsoft Outlook Spoofing Vulnerability

CVSS 4.3 MediumEPSS 0.0067 · 52nd percentile

Published by the CVE Program (CNA: microsoft) at 11 Aug 2026, 17:06 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Microsoft	Microsoft 365 Apps for Enterprise	affected 16.0.1 to before https://aka.ms/OfficeSecurityReleases custom
Microsoft	Microsoft Office 2019	affected 19.0.0 to before https://aka.ms/OfficeSecurityReleases custom
Microsoft	Microsoft Office LTSC 2021	affected 16.0.1 to before https://aka.ms/OfficeSecurityReleases custom
Microsoft	Microsoft Office LTSC 2024	affected 16.0.0 to before https://aka.ms/OfficeSecurityReleases custom
Microsoft	Microsoft Outlook 2016	affected 16.0.0.0 to before 16.0.5565.1000 custom

Identifiers: CVE-2026-62882
CNA: microsoft
Weakness (CWE): CWE-522
Tags: Microsoft 365 Apps for Enterprise
Microsoft Office 2019
Microsoft Office LTSC 2021
Microsoft Office LTSC 2024
Microsoft Outlook 2016
Hard-coded credentials
Published: 11 Aug 2026
Updated: 30 Oct 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
4.3	Medium	3.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C	CNA (microsoft)

CISA KEV Not listed.
EPSS 0.0067, the 52nd percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 11 Aug 2026. New records show when each source confirmed them.

Sources

References from the CNA

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62882 vendor-advisorypatch

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.