Cyber Resilience

CVE-2026-45648

HighUpdated

Published: 09 June 2026

Published
09 June 2026
Modified
17 June 2026
KEV Added
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Patch
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CVSS Score v3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0112 62.3th percentile
Risk Priority 55 floored blend · peak EPSS

Summary

CVE-2026-45648 is a high-severity Stack-based Buffer Overflow (CWE-121) vulnerability in Microsoft Windows Server 2022. Its CVSS base score is 8.8 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploitation of Remote Services (T1210); ranked in the top 37.7% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Stack-based buffer overflow in Active Directory Domain Services allows an authorized attacker to execute code over a network.

CWE(s)
CWE-121

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

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 →
Why these techniques?

Buffer overflow in AD DS directly enables remote code execution via exploitation of a network-accessible service by an authorized attacker.

Confidence: HIGH · MITRE ATT&CK Enterprise v19.0

Affected Assets

microsoft
windows server 2022
≤ 10.0.20348.5256
microsoft
windows server 2025
≤ 10.0.26100.32995

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References