Cyber Resilience

CVE-2023-35641

Microsoft Windows Server 2008 r2

Published
12 December 2023
Modified
21 November 2024
Patch / advisory
View advisory
CVSS Score v3.1 8.8
Click a component to see what it means
Raw vectorCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.072 94th percentile
Risk Priority 72 floored blend · peak EPSS

Summary

CVE-2023-35641 is a high-severity Incorrect Calculation (CWE-682) vulnerability in Microsoft Windows Server 2008. Its CVSS base score is 8.8 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploitation for Privilege Escalation (T1068); ranked in the top 6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

Deeper analysis AI-assisted summary

Synthesised by an AI model from the NVD description and linked references — a reading aid, not an authoritative source.

CVE-2023-35641 is a remote code execution vulnerability in the Internet Connection Sharing (ICS) component of Windows. It carries a CVSS 3.1 base score of 8.8 and is associated with CWE-682. The flaw permits an attacker to execute arbitrary code on an affected system when ICS is enabled.

An attacker with adjacent-network access and no privileges or user interaction can exploit the issue to obtain full control over confidentiality, integrity, and availability on the target. The attack vector is limited to the local network segment rather than the broader internet.

Microsoft’s Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-35641 supplies official mitigation guidance and patch information for the vulnerability.

The associated EPSS score remains flat at 0.0522 with no material increase observed after disclosure.

EU & UK References

Vulnerability Data

Internet Connection Sharing (ICS) Remote Code Execution Vulnerability

CWE(s)
CWE-682NVD-CWE-noinfo

Related Threats

MITRE ATT&CK Enterprise Techniques

T1068 Exploitation for Privilege Escalation Privilege Escalation
Adversaries may exploit software vulnerabilities in an attempt to elevate privileges.
attack.mitre.org →
T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
attack.mitre.org →
T1203 Exploitation for Client Execution Execution
Adversaries may exploit software vulnerabilities in client applications to execute code.
attack.mitre.org →
T1210 Exploitation of Remote Services Lateral Movement
Adversaries may exploit remote services to gain unauthorized access to internal systems once inside of a network.
attack.mitre.org →
T1212 Exploitation for Credential Access Credential Access
Adversaries may exploit software vulnerabilities in an attempt to collect credentials.
attack.mitre.org →
Derived from this CVE’s CWE(s) via the direct CWE→ATT&CK cross-walk.

CVEs Like This One

CVE-2023-35642Same product: Microsoft Windows 10 1507
CVE-2024-20664Same product: Microsoft Windows 10 1507
CVE-2023-35639Same product: Microsoft Windows 10 1507
CVE-2023-36006Same product: Microsoft Windows 10 1507
CVE-2024-20680Same product: Microsoft Windows 10 1507
CVE-2024-21307Same product: Microsoft Windows 10 1507
CVE-2023-36402Same product: Microsoft Windows 10 1507
CVE-2024-20663Same product: Microsoft Windows 10 1507
CVE-2024-20683Same product: Microsoft Windows 10 1507
CVE-2024-21359Same product: Microsoft Windows 10 1507

Affected Assets

microsoft
windows 10 1507
≤ 10.0.10240.20345
microsoft
windows 10 1607
≤ 10.0.14393.6529
microsoft
windows 10 1809
≤ 10.0.17763.5206
microsoft
windows 10 21h2
≤ 10.0.19041.3803
microsoft
windows 10 22h2
≤ 10.0.19045.3803
microsoft
windows 11 21h2
≤ 10.0.22000.2652
microsoft
windows 11 22h2
≤ 10.0.22621.2861
microsoft
windows 11 23h2
≤ 10.0.22631.2861
microsoft
windows server 2008
all versions, r2
microsoft
windows server 2012
all versions, r2
+3 more product configuration(s) — see NVD for full list

Mitigating Controls

Control response

Prevent
Stop it (NIST 800-53)

—

Detect
Catch it (NIST detect / respond)

—

Harden
Shrink the surface (DISA STIG)

—

Validate
Prove the fix (OWASP ASVS)
  • V15.2.2

Mitigating Controls (NIST CSF 2.0) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.

PR.PS-06 mostly match
prevents

Secure SDLC practices directly prevent incorrect calculations via reviews, testing, and verification in security-critical code.

Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.

A.8.29 Security testing in development and acceptance mostly match
finds

Security testing in development and acceptance can detect calculation flaws before deployment.

A.8.25 Secure development life cycle partial match
prevents

Secure development lifecycle mandates verification steps that catch incorrect calculations before they reach production.

A.8.26 Application security requirements partial match
prevents

Application security requirements can explicitly call for numeric accuracy and bounds checking.

A.8.27 Secure system architecture and engineering principles partial match
degrades

Secure architecture principles include input validation and safe arithmetic design that reduce calculation errors.

A.8.28 Secure coding partial match
prevents

Secure coding standards directly prohibit unsafe arithmetic and require defensive checks against incorrect results.

References