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Fencer Vulns
medium 5.3

CVE-2024-21387 json

Microsoft Edge for Android Spoofing Vulnerability

published 2024-01-26 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-19098

cvss
5.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.7%
EPSS 0.7% chance of exploitation in 30 days, percentile 54%
public exploits
0
none known

Summary

Microsoft Edge for Android Spoofing Vulnerability

Patch / fix

  • Microsoft Microsoft Edge (Chromium-based) 121.0.2277.83
  • Microsoft Microsoft Edge (Chromium-based) Extended Stable 120.0.2210.160

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.72% chance of exploitation in the next 30 days, higher than 54% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C
CNA 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Affected products

  • Microsoft Microsoft Edge (Chromium-based)
  • Microsoft Microsoft Edge (Chromium-based) Extended Stable

Classification

Weakness
  • CWE-357 Insufficient UI Warning of Dangerous Operations

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.