Buffer overflow in Microsoft 365 Apps
CVE-2021-28452
Microsoft Outlook Memory Corruption Vulnerability
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.013 (69.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 70th percentile — 69.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000
Affected products
- Microsoft 365 Apps
- Microsoft 365 Apps For Enterprise — versions 16.0.1
- Microsoft Office 2019 — versions 19.0.0
- Microsoft Outlook 2010 Service Pack 2 — versions 13.0.0.0
- Microsoft Outlook 2013 Service Pack 1 — versions 15.0.0.0
- Microsoft Outlook 2016 — versions 16.0.0.0
- Microsoft Office — versions 2019
- Microsoft Outlook — versions 2010, 2013, 2016
Weakness classification (CWE)
References
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-28452 (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-28452?
- CVE-2021-28452 is a high-severity vulnerability in Microsoft 365 Apps, classified under Out-of-bounds Write. CVSS score: 7.1/10. Published 2021-04-13.
- How severe is CVE-2021-28452?
- High severity. CVSS v3 base score is 7.1 out of 10.