CVE-2024-26170

Windows 10 21h2 vulnerability

CVSS

7.8

EPSS

6.6%

EPSS pct

93th

Exploited

No known

Windows Composite Image File System (CimFS) Elevation of Privilege Vulnerability

Affected vendor

Microsoft

Affected product

Windows 10 21h2

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness type (CWE)

CWE-20 — Improper Input Validation

Published

2024-03-12

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable with local access, low attack complexity, requiring low privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 6.6% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 93% of all scored CVEs.

Check your external exposure to CVE-2024-26170

Confirm whether Microsoft Windows 10 21h2 is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2024-26170.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2024-26170

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2024-26170 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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Are you exposed to CVE-2024-26170?

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