CVE-2021-28452
High
Published: 13 April 2021
Published
13 April 2021
Modified
21 November 2024
KEV Added
—
Patch
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CVSS Score v3.1
7.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
EPSS Score
0.0094
76.6th percentile
Risk Priority
15
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2021-28452 is a high-severity Out-of-bounds Write (CWE-787) vulnerability in Microsoft Outlook. Its CVSS base score is 7.1 (High).
Operationally, ranked in the top 23.4% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-15131
Vulnerability details
Microsoft Outlook Memory Corruption Vulnerability
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
microsoft
365 apps
all versions
microsoft
office
2019
microsoft
outlook
2010, 2013, 2016
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
addresses: CWE-787
Out-of-bounds writes that corrupt control flow or inject shellcode are rendered non-executable by the same memory protections.