CVE-2021-1715
High
Published: 12 January 2021
Published
12 January 2021
Modified
21 November 2024
KEV Added
—
Patch
—
CVSS Score v3.1
7.8
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS Score
0.0537
90.3th percentile
Risk Priority
19
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2021-1715 is a high-severity Out-of-bounds Write (CWE-787) vulnerability in Microsoft Word. Its CVSS base score is 7.8 (High).
Operationally, ranked in the top 9.7% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-7182
Vulnerability details
Microsoft Word Remote Code Execution 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
2010, 2019
microsoft
office online server
all versions
microsoft
office web apps
2010
microsoft
office web apps server
2013
microsoft
sharepoint enterprise server
2013, 2016
microsoft
sharepoint server
2010, 2019
microsoft
word
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.