CVE-2024-21423

CVE-2024-21423 is a medium-severity vulnerability in Microsoft Edge Chromium with a CVSS 3.x base score of 4.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-693.

Key facts

Description

Microsoft Edge (Chromium-based) Information Disclosure Vulnerability

Frequently asked questions

What is CVE-2024-21423?
Microsoft Edge (Chromium-based) Information Disclosure Vulnerability
How severe is CVE-2024-21423?
CVE-2024-21423 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2024-21423 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-21423?
CVE-2024-21423 affects Microsoft Edge Chromium. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-21423?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-21423 have an EU (EUVD) identifier?
Yes. CVE-2024-21423 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-19132.
When was CVE-2024-21423 published?
CVE-2024-21423 was published on 2024-02-23 and last updated on 2026-06-17.

References

Affected products (1)

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