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CVE-2024-21326

Microsoft Edge Chromium vulnerability

9.6 CRITICALEPSS 1.23%
  1. Published26 Jan 2024

Description

Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionRequired
ScopeChanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Affected products

Microsoft Edge Chromium< 121.0.2277.83

Remediation

Fixed in
Microsoft Edge Chromium≥ 121.0.2277.83

Frequently asked

Is CVE-2024-21326 being actively exploited?

CVE-2024-21326 is not in the CISA KEV catalog. Its EPSS exploit probability is 1.23%.

How severe is CVE-2024-21326?

CVE-2024-21326 has a CVSS 3.1 base score of 9.6, rated critical. EPSS estimates a 1.23% probability of exploitation.

Which products are affected by CVE-2024-21326?

Affected products include Microsoft Edge Chromium.

How do I fix CVE-2024-21326?

Upgrade affected software to a fixed version, for example Microsoft Edge Chromium 121.0.2277.83 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2024-21326 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.