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CVE-2026-70155

Last refreshed2026-10-15

Status: UPDATED  |  Advisory ID: CVE-2026-70155

Key Details

CVECVE-2026-70155
CVSS Score / Version
7.5 (High) / CVSS v3.1
Updated2026-10-13
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS Prose
attack vector is network; attack complexity is low; privileges required is none; user interaction is none; scope is unchanged; confidentiality impact is none; integrity impact is none; availability impact is high.
Affected products
see table below
Classified as
CWE-401 (Missing Release of Memory after Effective Lifetime)

Affected Products, Subsystems & Sectors

VendorProductAffected VersionsPatch Status
MicrosoftWindows Server 2025
MicrosoftWindows 10 (version 1607)
MicrosoftWindows 10 (version 1809)
MicrosoftWindows Server 2012
MicrosoftWindows Server 2016
MicrosoftWindows Server 2019
MicrosoftWindows Server 2022
MicrosoftWindows Server 2012 R2
SubsystemsOT Supporting Infrastructure
SectorsAll Sectors

What to Know

Missing release of memory after effective lifetime in Windows DNS allows an unauthorized attacker to deny service over a network.

What to Do

Monitor Microsoft's web page for any future patch releases.

References

SourceReference
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2026-70155
CVEhttps://www.cve.org/CVERecord?id=CVE-2026-70155

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