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Vulnerability record · CVE-2026-62882 · published 11 August 2026

CVE-2026-62882: Microsoft 365 apps insufficiently protected credentials vulnerability

Microsoft · 365 Apps

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

4.3 CVSS 3.1 Medium EPSS 0.67% · top 50.1% CWE-522 · Insufficiently protected credentials
4.3CVSS 3.1 base score
0.67%EPSS exploitation probability, 30 days
NoNot in CISA KEV
5Affected product versions listed by NVD
1References
14 Aug 2026Last modified by NVD

Description

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

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

Affected products

5 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62882 PatchVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-62882), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.