CVE-2023-35622 — 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

Released Dec 12 2023

Last Updated Dec 12 2023

Publicly Disclosed No

CISA KEV Not Listed

Known Exploits None Known

EPSS Score 0.01563 — 0.72035 percentile

NVD CVSS 7.5 HIGH — matches MSRC

CVSS Vector

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

ATTACK VECTOR

Network

ATTACK COMPLEXITY

Low

PRIVILEGES REQUIRED

None

USER INTERACTION

None

SCOPE

Unchanged

CONFIDENTIALITY

None

INTEGRITY

High

AVAILABILITY

None

EXPLOIT CODE MATURITY

Unproven

REMEDIATION LEVEL

Official Fix

REPORT CONFIDENCE

Confirmed

Temporal Score: 6.5

EPSS Score

0.01563

probability of exploitation in the next 30 days

0.72035 percentile - updated 2026-06-21

View on FIRST.org

Affected Products

9 affected products

Product	KB Article	Severity	Impact	Restart Required
Windows Server 2008 for 32-bit Systems Service Pack 2 5033422 (Monthly Rollup) 5033427 (Security Only) Important Spoofing 5032254 Base: 7.5 Temporal: 6.5 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C 6.0.6003.22413 Yes 5033422 5033427 Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) 5033422 (Monthly Rollup) 5033427 (Security Only) Important Spoofing 5032254 Base: 7.5 Temporal: 6.5 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C 6.0.6003.22413 Yes 5033422 5033427 Windows Server 2008 for x64-based Systems Service Pack 2 5033422 (Monthly Rollup) 5033427 (Security Only) Important Spoofing 5032254 Base: 7.5 Temporal: 6.5 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C 6.0.6003.22413 Yes 5033422 5033427 Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) 5033422 (Monthly Rollup) 5033427 (Security Only) Important Spoofing 5032254 Base: 7.5 Temporal: 6.5 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C 6.0.6003.22413 Yes 5033422 5033427 Windows Server 2008 R2 for x64-based Systems Service Pack 1 5033433 (Monthly Rollup) 5033424 (Security Only) Important Spoofing 5032252 Base: 7.5 Temporal: 6.5 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C 6.1.7601.26864 Yes 5033433 5033424 Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) 5033433 (Monthly Rollup) 5033424 (Security Only) Important Spoofing 5032252 Base: 7.5 Temporal: 6.5 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C 6.1.7601.26864 Yes 5033433 5033424 Windows Server 2012	`5033429 (Monthly Rollup)`	Important	Spoofing	Yes
Windows Server 2012 (Server Core installation)	`5033429 (Monthly Rollup)`	Important	Spoofing	Yes
Windows Server 2012 R2	`5033420 (Monthly Rollup)`	Important	Spoofing	Yes
Windows Server 2012 R2 (Server Core installation)	`5033420 (Monthly Rollup)`	Important	Spoofing	Yes
Windows Server 2016	`5033373 (Security Update)`	Important	Spoofing	Yes
Windows Server 2016 (Server Core installation)	`5033373 (Security Update)`	Important	Spoofing	Yes
Windows Server 2019	`5033371 (Security Update)`	Important	Spoofing	Yes
Windows Server 2019 (Server Core installation)	`5033371 (Security Update)`	Important	Spoofing	Yes
Windows Server 2022 5033118 (Security Update) 5033464 (Security Hotpatch Update) Important Spoofing 5032198 Base: 7.5 Temporal: 6.5 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C 10.0.20348.2159 10.0.20348.2144 Yes None Windows Server 2022 (Server Core installation) 5033118 (Security Update) 5033464 (Security Hotpatch Update) Important Spoofing 5032198 Base: 7.5 Temporal: 6.5 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C 10.0.20348.2159 10.0.20348.2144 Yes None Windows Server 2022, 23H2 Edition (Server Core installation)	`5033383 (Security Update)`	Important	Spoofing	Yes

Patches

5 patches

Article	Type	Restart
`5033429`	Monthly Rollup	Yes
`5033420`	Monthly Rollup	Yes
`5033373`	Security Update	Yes
`5033371`	Security Update	Yes
`5033383`	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

None

References

MSRC Advisory MITRE NVD