What is CVE-2020-7811?

CVE-2020-7811 is a medium-severity vulnerability in Microsoft Windows, classified under Deserialization of Untrusted Data. CVSS score: 6.2/10. Published 2020-10-12.

How severe is CVE-2020-7811?

Medium severity. CVSS v3 base score is 6.2 out of 10.

Deserialization in Microsoft Windows

CVE-2020-7811

Samsung Update 3.0.2.0 ~ 3.0.32.0 has a vulnerability that allows privilege escalation as commands crafted by attacker are executed while the engine deserializes the data received during inter-process communication

Vulnerability class: Insecure Deserialization

Published 2020-10-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.2 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.007 (51.8th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 51.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Microsoft Windows
Samsung Update
Samsung Electronics Update — versions 3.0.2.0

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

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

Frequently asked questions

What is CVE-2020-7811?: CVE-2020-7811 is a medium-severity vulnerability in Microsoft Windows, classified under Deserialization of Untrusted Data. CVSS score: 6.2/10. Published 2020-10-12.
How severe is CVE-2020-7811?: Medium severity. CVSS v3 base score is 6.2 out of 10.