CVE-2024-43450 — Windows DNS Spoofing Vulnerability

Executive Summary

None

Overview

7.5

CVSS HIGH

Important

MS Severity

Not Exploited

MS Exploit Status

Less Likely

MS Exploit Likelihood

Category Spoofing

Weakness CWE-924: Improper Enforcement of Message Integrity During Transmission in a Communication Channel

Released Nov 12 2024

Last Updated Nov 12 2024

Publicly Disclosed No

CISA KEV Not Listed

Known Exploits None Known

EPSS Score 0.00565 — 0.43522 percentile

NVD CVSS 7.5 HIGH — matches MSRC

CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

ATTACK VECTOR

Network

ATTACK COMPLEXITY

High

PRIVILEGES REQUIRED

None

USER INTERACTION

Required

SCOPE

Unchanged

CONFIDENTIALITY

High

INTEGRITY

High

AVAILABILITY

High

EXPLOIT CODE MATURITY

Unproven

REMEDIATION LEVEL

Official Fix

REPORT CONFIDENCE

Confirmed

Temporal Score: 6.5

EPSS Score

0.00565

probability of exploitation in the next 30 days

0.43522 percentile - updated 2026-07-25

View on FIRST.org

Affected Products

9 affected products

Product	KB Article	Severity	Impact	Restart Required
Windows Server 2008 R2 for x64-based Systems Service Pack 1 5046687 (Monthly Rollup) 5046705 (Security Only) Important Spoofing 5044356 Base: 7.5 Temporal: 6.5 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 6.1.7601.27415 Yes None Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) 5046687 (Monthly Rollup) 5046705 (Security Only) Important Spoofing 5044356 Base: 7.5 Temporal: 6.5 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 6.1.7601.27415 Yes None Windows Server 2012	`5046697 (Monthly Rollup)`	Important	Spoofing	Yes
Windows Server 2012 (Server Core installation)	`5046697 (Monthly Rollup)`	Important	Spoofing	Yes
Windows Server 2012 R2	`5046682 (Monthly Rollup)`	Important	Spoofing	Yes
Windows Server 2012 R2 (Server Core installation)	`5046682 (Monthly Rollup)`	Important	Spoofing	Yes
Windows Server 2016	`5046612 (Security Update)`	Important	Spoofing	Yes
Windows Server 2016 (Server Core installation)	`5046612 (Security Update)`	Important	Spoofing	Yes
Windows Server 2019	`5046615 (Security Update)`	Important	Spoofing	Yes
Windows Server 2019 (Server Core installation)	`5046615 (Security Update)`	Important	Spoofing	Yes
Windows Server 2022 5046616 (Security Update) 5046698 (SecurityHotpatchUpdate) Important Spoofing 5044281 Base: 7.5 Temporal: 6.5 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 10.0.20348.2849 10.0.20348.2819 Yes None Windows Server 2022 (Server Core installation) 5046616 (Security Update) 5046698 (SecurityHotpatchUpdate) Important Spoofing 5044281 Base: 7.5 Temporal: 6.5 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 10.0.20348.2849 10.0.20348.2819 Yes None Windows Server 2022, 23H2 Edition (Server Core installation)	`5046618 (Security Update)`	Important	Spoofing	Yes

Patches

5 patches

Article	Type	Restart
`5046697`	Monthly Rollup	Yes
`5046682`	Monthly Rollup	Yes
`5046612`	Security Update	Yes
`5046615`	Security Update	Yes
`5046618`	Security Update	Yes

Known Exploits

No known exploits have been linked for this CVE yet. When available, exploit references will be sourced from public repositories and may be unverified, incomplete, or non-functional. Always review code carefully before use in any environment.

Acknowledgments

Peng Zuo ([email protected])
Qian Wang ([email protected])
Ming He ([email protected])
Zhiwei Yanyan ([email protected])

References

MSRC Advisory MITRE NVD