CVE-2023-21694

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CVE

Windows Fax Service Remote Code Execution Vulnerability

Windows Fax Service Remote Code Execution Vulnerability.

MEDIUM · CVSS 6.8 EPSS 0.00909

Monitor

No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence

Sigma rules0 YARA rules0

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Weakness Classification

CWE-122Heap-based Buffer Overflow

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Affected Products & Versions

microsoft windows 10< 10.0.10240.19747
microsoft windows 10 1607< 10.0.14393.5717
microsoft windows 10 1809< 10.0.17763.4010
microsoft windows 10 20h2< 10.0.19042.2604
microsoft windows 10 21h2< 10.0.19044.2604
microsoft windows 10 22h2< 10.0.19045.2604
microsoft windows 11 21h2< 10.0.22000.1574
microsoft windows 11 22h2< 10.0.22621.1265
Show all 13 affected productsmicrosoft windows server 2008all versions
microsoft windows server 2012all versions
microsoft windows server 2016all versions
microsoft windows server 2019all versions
microsoft windows server 2022all versions

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Scoring & Timeline

6.8

MEDIUM · CVSS v3.1 · secure@microsoft.com

View on NVD

Attack Vector

Network Adjacent Local Physical

Attack Complexity

Low High

Privileges Required

None Low High

User Interaction

None Required

Scope

Unchanged Changed

Confidentiality

None Low High

Integrity

None Low High

Availability

None Low High

Published to NVD14 Feb 2023 · 08:15 PM

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

SSVC triage · cisa-vulnrichment

Exploitation

none

Automatable

Technical impact

total

SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.

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Vendor Advisories

msrcCVE-2023-21694Remote Code Execution

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External lookups - second-class, for what we don’t hold ourselves

NVD CVE.org CISA Vulners Exploit-DB GitHub PoC VulnCheck KEV GreyNoise

Vulnerabilities
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Detection & defense
Sigma rules
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Compliance
NIST 800-53
ISO 27001:2022
SOC 2 TSC
PCI-DSS v4.0
CIS Controls v8.1

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