CVE-2020-17063
Microsoft Office Online Spoofing Vulnerability
6.8 Medium
Microsoft Office Online Spoofing Vulnerability
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- None
Exploit likelihood
1.58%Down 3.0 points since Apr 14, 2021
What each source reports
CVE List Score used
Microsoft Office Online Spoofing Vulnerability
Microsoft Office Online Spoofing Vulnerability
- Record
CVE-2020-17063- CVSS 3.1
- 6.8 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C - Updated
- 2026-11-02
EUVDEUVD-2020-9018
Microsoft Office Online Spoofing Vulnerability
- Record
EUVD-2020-9018- CVSS 3.1
- 6.8 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-8vqr-9583-87j7
Microsoft Office Online Spoofing Vulnerability
Microsoft Office Online Spoofing Vulnerability
- Record
GHSA-8vqr-9583-87j7- CVSS 3.1
- 6.8 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N - Weakness
- CWE-20
- Updated
- 2026-11-02
NVD
Microsoft Office Online Spoofing Vulnerability
- Record
CVE-2020-17063- CVSS 3.1
- 6.8 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N - CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N - CVSS 2.0
- 5.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:N - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-17063 is a medium vulnerability (CVSS 6.8) in Microsoft Office, published November 11, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.58%, the 75th percentile. No source names a fixed version.