CVE-2020-1195

mediumpriority · track · 13EPSS 0.021 · 81 %ileEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

2.08% (81st) EPSS

CVSS 4.3 · medium

Is it mine?

3 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

An elevation of privilege vulnerability exists in Microsoft Edge (Chromium-based) when the Feedback extension improperly validates input. An attacker who successfully exploited this vulnerability could write files to arbitrary locations and gain elevated privileges. The vulnerability by itself does not allow arbitrary code to run. However, this vulnerability could be used in conjunction with one or more vulnerabilities (for example a remote code execution vulnerability and another elevation of privilege vulnerability) to take advantage of the elevated privileges when running. The security update addresses the vulnerability by modifying how Microsoft Edge (Chromium-based) Feedback extension validates files.

cvss

Technical severity, 0–10. One row per scoring source.

5.9

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 2.9–5.9

v2.04.3mediumAV:N/AC:M/Au:N/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 8.6 · impact 2.9

v3.13.1lowCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:Nprimary · secure@microsoft.com USexploitability 1.6 · impact 1.4

v3.15.9mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:Nsecondary · NVD / NIST USexploitability 2.2 · impact 3.6

v3.15.9mediumAV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:Nsecondary · FSTEC (BDU) RU

v3.12.9lowCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

v3.13.1lowCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N/E:P/RL:O/RC:Csecondary · Microsoft Security Response Center US

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-20USprimaryCWE-269US

affected products (3)

Products and version ranges known to be affected.

Microsoft Microsoft Edge (Chromium-based)≤ unspecifiedenisa_euvdEU
Microsoft Corp Microsoft Edge≤ 83.0.478.37fstec_bduRU
microsoft edgeall versionsnvdUScpe:2.3:a:microsoft:edge:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

msrc_CVE-2020-1195Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability2020-05-21csaf · msrc_csafUS
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle

also known as (5)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd msrc_csaf NVD CVE.org MITRE

published 2020-05-21modified 2026-08-19

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+25171 more

references (7)

External citations — patches, advisories, analysis.

scry

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