CVE-2026-70071

Improper verification of cryptographic signature in DNS Server allows an authorized attacker to…

Risk score: 46/100
CVSS: 5.5 v3.1
Exploit chance (30 days): 0.2%
Published: 13 Oct 2026

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What to know

What it is: Improper verification of cryptographic signature in DNS Server allows an authorized attacker to perform tampering locally.
Affected: Microsoft Windows 10 1607
Fix: Apply the vendor's security update; see the linked advisory.
Exploitation: No known exploitation

Why it is Yellow

CVSS 5.5 medium
On your watchlist: windows server

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70071

Original description

Improper verification of cryptographic signature in DNS Server allows an authorized attacker to perform tampering locally.

Last activity 13 Oct 2026. Patch Forecast updates every hour.