CVE-2026-70071
Role: DNS Server Tampering Vulnerability
Improper verification of cryptographic signature in DNS Server allows an authorized attacker to perform tampering locally.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Role: DNS Server Tampering Vulnerability
Improper verification of cryptographic signature in DNS Server allows an authorized attacker to perform tampering locally.
- Record
CVE-2026-70071- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C - Weakness
- CWE-347
- Updated
- 2026-11-10
EUVDEUVD-2026-99864
Improper verification of cryptographic signature in DNS Server allows an authorized attacker to perform tampering locally.
- Record
EUVD-2026-99864- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C - Updated
- 2026-11-10
GitHub AdvisoriesGHSA-9g25-pm2r-ff65
Improper verification of cryptographic signature in DNS Server allows an authorized attacker to...
Improper verification of cryptographic signature in DNS Server allows an authorized attacker to perform tampering locally.
- Record
GHSA-9g25-pm2r-ff65- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N - Weakness
- CWE-347
- Updated
- 2026-11-02
NVD
Improper verification of cryptographic signature in DNS Server allows an authorized attacker to perform tampering locally.
- Record
CVE-2026-70071- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N - Weakness
- CWE-347
- Updated
- 2026-11-02
Affected products
- microsoft windows 10 version 1607
- microsoft windows 10 version 1809
- microsoft windows server 2012
- microsoft windows server 2012 (server core installation)
- microsoft windows server 2012 r2
- microsoft windows server 2012 r2 (server core installation)
- microsoft windows server 2016
- microsoft windows server 2016 (server core installation)
- microsoft windows server 2019
- microsoft windows server 2019 (server core installation)
- microsoft windows server 2022
- microsoft windows server 2025
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | CVE List | |
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-70071 is a medium vulnerability (CVSS 5.5) in Microsoft Windows 10 Version 1607, published October 13, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.26%, the 17th percentile. No source names a fixed version.