What is CVE-2020-7883?

CVE-2020-7883 is a critical-severity vulnerability in Microsoft Windows, classified under Download of Code Without Integrity Check. CVSS score: 9.8/10. Published 2021-12-28.

How severe is CVE-2020-7883?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Microsoft Windows

CVE-2020-7883

Printchaser v2.2021.804.1 and earlier versions contain a vulnerability, which could allow remote attacker to download and execute remote file by setting the argument, variable in the activeX module. This can be leveraged for code execution.

Published 2021-12-28 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.009 (59.3th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 59th percentile — 59.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Microsoft Windows
Wowsoft Printchaser — versions 2.2021.804.1

Weakness classification (CWE)

CWE-494 — Download of Code Without Integrity Check

References

www.krcert.or.kr/krcert/secNoticeView.do (Third Party Advisory)

Frequently asked questions

What is CVE-2020-7883?: CVE-2020-7883 is a critical-severity vulnerability in Microsoft Windows, classified under Download of Code Without Integrity Check. CVSS score: 9.8/10. Published 2021-12-28.
How severe is CVE-2020-7883?: Critical severity. CVSS v3 base score is 9.8 out of 10.