VulnerabilityAnalyzed
CVE-2026-70079
Improper enforcement of behavioral workflow in Windows DNS allows an unauthorized attacker to deny service over a network.
HIGH 7.5EPSS 1.27%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.27%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Improper enforcement of behavioral workflow in Windows DNS allows an unauthorized attacker to deny service over a network.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.27% probability · 70th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-841
- Affected
- microsoft/windows 10 1607 · microsoft/windows 10 1809 · microsoft/windows server 2012 · microsoft/windows server 2016 · microsoft/windows server 2019 · microsoft/windows server 2022 · microsoft/windows server 2025
- Source
- secure@microsoft.com
EPSS moved from 1.1% on 14 October 2026 to 1.3% on 26 October 2026.
References
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.