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CVE-2022-44673

25
FAUCET Score

CVE-2022-44673 is an Elevation of Privilege vulnerability affecting the Windows Client Server Run-time Subsystem (CSRSS) across multiple Windows versions, including Windows 7, 8.1, 10, and Server 2008. With a CVSS score of 7.0 (HIGH), this vulnerability has a local attack vector and high impact on confidentiality, integrity, and availability, but requires high attack complexity. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or inclusion in CISA's KEV catalog, though it garnered some community discussion and media coverage during its disclosure.

Impacted Technologies

VendorProductVersion(s)CPE
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x86:*
20h2CPE matchmatch criteria
cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:x86:*
21h1CPE matchmatch criteria
cpe:2.3:o:microsoft:windows_10:21h1:*:*:*:*:*:x86:*
21h2CPE matchmatch criteria
cpe:2.3:o:microsoft:windows_10:21h2:*:*:*:*:*:x86:*
22h2CPE matchmatch criteria
cpe:2.3:o:microsoft:windows_10:22h2:*:*:*:*:*:x86:*

CVSS Data

CVSS version used by this source: 3.1

7.0HIGH

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

Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.0
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
5.24%
Probability of exploitation in next 30 days
EPSS Percentile
91.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0524 is in the 99th percentile among its peer group of 1,525 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.4 InfoSec Media, 0.1 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (11)

microsoftpatch availablevia msrc
Product: Windows 10 Version 1809 for 32-bit SystemsFixed in: 10.0.17763.3770
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 21H1 for 32-bit SystemsFixed in: 10.0.19043.2364
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 20H2 for 32-bit SystemsFixed in: 10.0.19042.2364
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 21H2 for 32-bit SystemsFixed in: 10.0.19044.2364
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 22H2 for 32-bit SystemsFixed in: 10.0.19045.2364
View patch
microsoftpatch availablevia msrc
Product: Windows 10 for 32-bit SystemsFixed in: 10.0.10240.19624
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 1607 for 32-bit SystemsFixed in: 10.0.14393.5582
View patch
microsoftpatch availablevia msrc
Product: Windows 7 for 32-bit Systems Service Pack 1Fixed in: 6.1.7601.26266
View patch
microsoftpatch availablevia msrc
Product: Windows 8.1 for 32-bit systemsFixed in: 6.3.9600.20721
View patch
microsoftpatch availablevia msrc
Product: Windows Server 2008 for 32-bit Systems Service Pack 2Fixed in: 6.0.6003.21815
View patch
microsoftpatch availablevia msrc
Product: Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)Fixed in: 6.0.6003.21815
View patch

Vendor Advisories (1)

microsoft2022-Dec/CVE-2022-44673Important

Windows Client Server Run-time Subsystem (CSRSS) Elevation of Privilege Vulnerability

Dec 13, 2022

References

msrc.microsoft.com / update-guide/vulnerability/CVE-2022-44673