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Fencer Vulns
medium 6.5

CVE-2024-21388 json

Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability

published 2024-01-30 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-19099

cvss
6.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
35.6%
EPSS 35.6% chance of exploitation in 30 days, percentile 98%
public exploits
0
none known

Summary

Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability

Patch / fix

  • Microsoft Microsoft Edge (Chromium-based) 121.0.2277.98

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
18 mo ago

Exploit prediction

35.63% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 6.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L/E:U/RL:O/RC:C
CNA 3.1 6.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L

Affected products

  • Microsoft Microsoft Edge (Chromium-based)

Classification

Weakness
  • CWE-20 Improper Input Validation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.