4.3

CVE-2021-42307: microsoft edge_chromium

CVSS: 4.3v3.1MediumModified
Published 30-06-2023Last modified 14-04-2025
Open JSON

Vulnerability summary

CVE-2021-42307 is a medium (CVSS 4.3) vulnerability in microsoft edge_chromium. EPSS estimates a 1.04% chance of exploitation in the next 30 days, higher than 63.5% of scored vulnerabilities.

Overall risk
17/100
0100
Low · default modelHow is this calculated?
CVSS score
4.3/10
010
Medium · v3.1 (CVE.org)
EPSS score
1.04%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 30-06-2023
    PublishedVulnerability first disclosed.
  2. 14-04-2025
    Last modifiedVulnerability information updated.

Description

Microsoft Edge (Chromium-based) Information Disclosure Vulnerability

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

1.04%

Chance of exploitation in the next 30 days

Percentile

64%

Versus all other CVEs

30-day change

0.00 pp

From 1.04% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.04%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Microsoft2 products

1 vendor · 2 products

References

1 links