CVE-2020-1403
highpriority · track · 34EPSS 0.105 · 96 %ileEURUUSgrimoire priorityP1 · Urgent
Exploitable?
—
no known exploitation
Likely / severe?
10.5% (96th) EPSS
CVSS 7.6 · high
Who says so?
3 sources
cnnvd · enisa_euvd · fstec_bdu
EPSS · scored 2026-10-27
A remote code execution vulnerability exists in the way that the VBScript engine handles objects in memory, aka 'VBScript Remote Code Execution Vulnerability'.
01
cvss
Technical severity, 0–10. One row per scoring source.
7.6
010
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.9–7.6
v3.17.5highCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.6 · impact 5.9
02
weaknesses
The CWE weakness classes this flaw belongs to.
03
affected products (38)
Products and version ranges known to be affected.
- Microsoft Internet Explorer 11≤ Windows Server 2008 R2 for x64-based Systems Service Pack 1enisa_euvdEU
showing 20 of 38
04
also known as (4)
Other names and identifiers for this entity.
05
sources
Which sources assert this record, and when.
06
references (7)
External citations — patches, advisories, analysis.
- http://www.nsfocus.net/vulndb/47515cnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2020-1403cnnvd
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1403cnnvd
- https://portal.msrc.microsoft.com/zh-CN/security-guidance/advisory/CVE-2020-1403cnnvd
- https://vigilance.fr/vulnerability/Microsoft-IE-vulnerabilities-of-July-2020-32817cnnvd
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1403enisa_euvd
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1403PatchVendor Advisorynvd
scry
Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.
Free scan