CVE-2020-17128
highpriority · track · 38EPSS 0.027 · 86 %ileEURUUSgrimoire priorityP2 · Scheduled
Exploitable?
—
no known exploitation
Likely / severe?
2.74% (86th) EPSS
CVSS 9.3 · high
Who says so?
3 sources
cnnvd · enisa_euvd · fstec_bdu
EPSS · scored 2026-10-27
Microsoft Excel Remote Code Execution Vulnerability
01
cvss
Technical severity, 0–10. One row per scoring source.
9.3
010
base score 0–10 · higher = more severe · hover a vector to decode
v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · NVD / NIST USexploitability 1.8 · impact 5.9
v3.17.8highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · secure@microsoft.com USexploitability 1.8 · impact 5.9
02
weaknesses
The CWE weakness classes this flaw belongs to.
03
affected products (29)
Products and version ranges known to be affected.
- Microsoft Microsoft 365 Apps for Enterprise16.0.1 → https://aka.ms/OfficeSecurityReleasesenisa_euvdEU
showing 20 of 29
04
also known as (4)
Other names and identifiers for this entity.
05
sources
Which sources assert this record, and when.
06
references (10)
External citations — patches, advisories, analysis.
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-17128cnnvd
- https://msrc.microsoft.com/update-guide/zh-CN/vulnerability/CVE-2020-17128Patchcnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2020-17128cnnvd
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17128cnnvd
- https://vigilance.fr/vulnerability/Microsoft-365-Apps-vulnerabilities-of-December-2020-34061cnnvd
- https://www.auscert.org.au/bulletins/ESB-2020.4437/cnnvd
- https://www.zerodayinitiative.com/advisories/ZDI-20-1425/cnnvd
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-17128enisa_euvd
scry
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