CVE-2026-70167
Windows Domain Name Service Remote Code Execution Vulnerability
Access of resource using incompatible type ('type confusion') in DNS Server allows an authorized attacker to execute code over a network.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Windows Domain Name Service Remote Code Execution Vulnerability
Access of resource using incompatible type ('type confusion') in DNS Server allows an authorized attacker to execute code over a network.
- Record
CVE-2026-70167- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C - Weakness
- CWE-843, CWE-822
- Updated
- 2026-11-02
EUVDEUVD-2026-99604
Access of resource using incompatible type ('type confusion') in DNS Server allows an authorized attacker to execute code over a network.
- Record
EUVD-2026-99604- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-m7j9-9j6g-vg2m
Access of resource using incompatible type ('type confusion') in DNS Server allows an authorized...
Access of resource using incompatible type ('type confusion') in DNS Server allows an authorized attacker to execute code over a network.
- Record
GHSA-m7j9-9j6g-vg2m- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-822
- Updated
- 2026-11-02
NVD
Access of resource using incompatible type ('type confusion') in DNS Server allows an authorized attacker to execute code over a network.
- Record
CVE-2026-70167- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-822, CWE-843
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-70167 is a high vulnerability (CVSS 8.8) in Microsoft Windows Server 2022, published October 13, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.98%, the 62nd percentile. No source names a fixed version.