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CVE-2023-35381

24
FAUCET Score

CVE-2023-35381 is a remote code execution vulnerability affecting the Windows Fax Service, allowing an unauthenticated attacker to execute arbitrary code on a vulnerable system. With a CVSS score of 8.8 (High), it presents a significant risk due to its low attack complexity and high impact on confidentiality, integrity, and availability. While not currently listed in CISA's KEV catalog or having public exploit code, its high CVSS score and presence in media coverage indicate a notable threat. Community discussion and media attention, though limited, suggest awareness of this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 10.0.10240.20107CPE matchmatch criteria
cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:*:*
< 10.0.14393.6167CPE matchmatch criteria
cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:*:*
< 10.0.17763.4737CPE matchmatch criteria
cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:*:*
< 10.0.19044.3324CPE matchmatch criteria
cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:*:*
< 10.0.19045.3324CPE matchmatch criteria
cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.70%
Probability of exploitation in next 30 days
EPSS Percentile
74.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0170 is in the 74th percentile among its peer group of 14,875 CVEs.

Social Chatter

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

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (36)

microsoftpatch availablevia nvd_reference
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 1809 for 32-bit SystemsFixed in: 10.0.17763.4737
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 1809 for x64-based SystemsFixed in: 10.0.17763.4737
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 1809 for ARM64-based SystemsFixed in: 10.0.17763.4737
View patch
microsoftpatch availablevia msrc
Product: Windows Server 2019Fixed in: 10.0.17763.4737
View patch
microsoftpatch availablevia msrc
Product: Windows Server 2019 (Server Core installation)Fixed in: 10.0.17763.4737
View patch
microsoftpatch availablevia msrc
Product: Windows Server 2022Fixed in: 10.0.20348.1906
View patch
microsoftpatch availablevia msrc
Product: Windows Server 2022 (Server Core installation)Fixed in: 10.0.20348.1906
View patch
microsoftpatch availablevia msrc
Product: Windows Server 2022Fixed in: 10.0.20348.1903
View patch
microsoftpatch availablevia msrc
Product: Windows Server 2022 (Server Core installation)Fixed in: 10.0.20348.1903
View patch
microsoftpatch availablevia msrc
Product: Windows 11 version 21H2 for x64-based SystemsFixed in: 10.0.22000.2295
View patch
microsoftpatch availablevia msrc
Product: Windows 11 version 21H2 for ARM64-based SystemsFixed in: 10.0.22000.2295
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 21H2 for 32-bit SystemsFixed in: 10.0.19044.3324
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 21H2 for ARM64-based SystemsFixed in: 10.0.19044.3324
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 21H2 for x64-based SystemsFixed in: 10.0.19044.3324
View patch
microsoftpatch availablevia msrc
Product: Windows 11 Version 22H2 for ARM64-based SystemsFixed in: 10.0.22621.2134
View patch
microsoftpatch availablevia msrc
Product: Windows 11 Version 22H2 for x64-based SystemsFixed in: 10.0.22621.2134
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 22H2 for x64-based SystemsFixed in: 10.0.19045.3324
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 22H2 for ARM64-based SystemsFixed in: 10.0.19045.3324
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 22H2 for 32-bit SystemsFixed in: 10.0.19045.3324
View patch
microsoftpatch availablevia msrc
Product: Windows 10 for 32-bit SystemsFixed in: 10.0.10240.20107
View patch
microsoftpatch availablevia msrc
Product: Windows 10 for x64-based SystemsFixed in: 10.0.10240.20107
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 1607 for 32-bit SystemsFixed in: 10.0.14393.6167
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 1607 for x64-based SystemsFixed in: 10.0.14393.6167
View patch
microsoftpatch availablevia msrc
Product: Windows Server 2016Fixed in: 10.0.14393.6167
View patch
microsoftpatch availablevia msrc
Product: Windows Server 2016 (Server Core installation)Fixed in: 10.0.14393.6167
View patch
microsoftpatch availablevia msrc
Product: Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)Fixed in: 6.0.6003.22216
View patch
microsoftpatch availablevia msrc
Product: Windows Server 2008 for 32-bit Systems Service Pack 2Fixed in: 6.0.6003.22216
View patch
microsoftpatch availablevia msrc
Product: Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)Fixed in: 6.0.6003.22216
View patch
microsoftpatch availablevia msrc
Product: Windows Server 2008 for x64-based Systems Service Pack 2Fixed in: 6.0.6003.22216
View patch
microsoftpatch availablevia msrc
Product: Windows Server 2008 R2 for x64-based Systems Service Pack 1Fixed in: 6.1.7601.26664
View patch
microsoftpatch availablevia msrc
Product: Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)Fixed in: 6.1.7601.26664
View patch
microsoftpatch availablevia msrc
Product: Windows Server 2012Fixed in: 6.2.9200.24414
View patch
microsoftpatch availablevia msrc
Product: Windows Server 2012 (Server Core installation)Fixed in: 6.2.9200.24414
View patch
microsoftpatch availablevia msrc
Product: Windows Server 2012 R2Fixed in: 6.3.9600.21503
View patch
microsoftpatch availablevia msrc
Product: Windows Server 2012 R2 (Server Core installation)Fixed in: 6.3.9600.21503
View patch

Vendor Advisories (1)

microsoft2023-Aug/CVE-2023-35381Important

Windows Fax Service Remote Code Execution Vulnerability

Aug 8, 2023

References

msrc.microsoft.com / update-guide/vulnerability/CVE-2023-35381
PatchVendor Advisory