CVE-2022-24550

At a glance

Severity: HIGH 7.8
EPSS: EPSS 0.88 % · percentile 59 (2026-10-27)
State: PUBLISHED
Published: 2022-04-15
Updated: 2025-01-02
Assigner: microsoft
NVD status: Modified

Description

Windows Telephony Server Elevation of Privilege Vulnerability

Scores

Version	Score	Vector	Scored by
CVSS 3.1	HIGH 7.8	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C	microsoft
CVSS 3.1	HIGH 7.8	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	NVD · secure@microsoft.com (Secondary)
CVSS 2.0	HIGH 7.2	AV:L/AC:L/Au:N/C:C/I:C/A:C	NVD · nvd@nist.gov (Primary)

European references

ENISA EUVD · EUVD-2022-29430
GCVE · GCVE-0-2022-24550

CERT-FR advisories

CERTFR-2022-AVI-335 — Multiples vulnérabilités dans Microsoft Windows · cert.ssi.gouv.fr

Affected configurations (NVD CPE)

cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10:21h1:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10:21h2:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_11:-:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11:-:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2016:20h2:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2022:-:*:*:*:*:*:*:*

Affected products

Product	Versions
Microsoft · Windows 10 Version 1809	affected 10.0.17763.0 < 10.0.17763.2803
Microsoft · Windows 10 Version 1809	affected 10.0.0 < 10.0.17763.2803
Microsoft · Windows Server 2019	affected 10.0.17763.0 < 10.0.17763.2803
Microsoft · Windows Server 2019 (Server Core installation)	affected 10.0.17763.0 < 10.0.17763.2803
Microsoft · Windows 10 Version 1909	affected 10.0.0 < 10.0.18363.2212
Microsoft · Windows 10 Version 21H1	affected 10.0.0 < 10.0.19043.1645
Microsoft · Windows Server 2022	affected 10.0.20348.0 < 10.0.20348.643
Microsoft · Windows 10 Version 20H2	affected 10.0.0 < 10.0.19042.1645
Microsoft · Windows Server version 20H2	affected 10.0.0 < 10.0.19042.1645
Microsoft · Windows 11 version 21H2	affected 10.0.0 < 10.0.22000.613
Microsoft · Windows 10 Version 21H2	affected 10.0.19043.0 < 10.0.19044.1645
Microsoft · Windows 10 Version 1507	affected 10.0.10240.0 < 10.0.10240.19265
Microsoft · Windows 10 Version 1607	affected 10.0.14393.0 < 10.0.14393.5066
Microsoft · Windows Server 2016	affected 10.0.14393.0 < 10.0.14393.5066
Microsoft · Windows Server 2016 (Server Core installation)	affected 10.0.14393.0 < 10.0.14393.5066
Microsoft · Windows 8.1	affected 6.3.0 < 6.3.9600.20337
Microsoft · Windows Server 2012	affected 6.2.9200.0 < 6.2.9200.23679
Microsoft · Windows Server 2012 (Server Core installation)	affected 6.2.9200.0 < 6.2.9200.23679
Microsoft · Windows Server 2012 R2	affected 6.3.9600.0 < 6.3.9600.20337
Microsoft · Windows Server 2012 R2 (Server Core installation)	affected 6.3.9600.0 < 6.3.9600.20337

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-24550

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)	Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD