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Vulnerabilities

Vulnerability · CVE-2024-26230

Windows Telephony Server Elevation of Privilege Vulnerability

Published Apr 9, 2024 · catalog updated Nov 3, 2026 · windows 10 1507

Last checked Nov 6, 2026. A connected source was read within the last 7 days.

Check this week

CVE-2024-26230 is not in CISA KEV. FIRST estimates a 24.11% chance of exploitation in the next 30 days. Check whether you run windows 10 1507.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
High7.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
24.11%
Remediation
Version ranges on file
Affected products
cpe microsoft/windows 10 1507 · cpe microsoft/windows 10 1607 · cpe microsoft/windows 10 1809 · cpe microsoft/windows 10 21h2 · cpe microsoft/windows 10 22h2 · cpe microsoft/windows 11 21h2

Windows Telephony Server Elevation of Privilege Vulnerability

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe microsoft/windows 10 1507< 10.0.10240.20596
  • cpe microsoft/windows 10 1607< 10.0.14393.6897
  • cpe microsoft/windows 10 1809< 10.0.17763.5696
  • cpe microsoft/windows 10 21h2< 10.0.19044.4291
  • cpe microsoft/windows 10 22h2< 10.0.19045.4291
  • cpe microsoft/windows 11 21h2< 10.0.22000.2899

How to fix CVE-2024-26230

  • Upgrade

    CVE-2024-26230 lists a fix boundary at 10.0.10240.20596. Compare the installed build with that boundary before you change production.

  • Version check

    Affected < 10.0.10240.20596

  • Advisory

    Open the cve_org record and follow its fix.

  • Official advisories

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2024-26230 is not in CISA KEV. FIRST estimates a 24.11% chance of exploitation in the next 30 days. Check whether you run windows 10 1507.

Which versions are affected?

Compare what you have installed with microsoft/windows 10 1507 < 10.0.10240.20596; microsoft/windows 10 1607 < 10.0.14393.6897; microsoft/windows 10 1809 < 10.0.17763.5696; microsoft/windows 10 21h2 < 10.0.19044.4291. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-416: Use After Free. EPSS 24.11%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Windows security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Apr 9, 2024 · NIST NVD

    Detected

    Windows Telephony Server Elevation of Privilege Vulnerability

  2. Nov 3, 2026 · NIST NVD

    Updated

    Windows Telephony Server Elevation of Privilege Vulnerability

Sources

  • CVE.orgVulnerability recordCVE-2024-26230

    Official CVE identifier

    cve.org
  • NIST NVDVulnerability recordCVE-2024-26230

    Windows Telephony Server Elevation of Privilege Vulnerability

    nvd.nist.gov

References

Freshness

Last verified in this catalog Nov 6, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • CVE.orgNov 4, 2026
  • NIST NVDNov 4, 2026