VulnerabilityAnalyzed
CVE-2026-41089
Stack-based buffer overflow in Windows Netlogon allows an unauthorized attacker to execute code over a network.
CRITICAL 9.8EPSS 79.6%
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 79.6%, higher than 100% of all known CVEs. Patch or mitigate before the next change window.
Description
Stack-based buffer overflow in Windows Netlogon allows an unauthorized attacker to execute code over a network.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 79.62% probability · 100th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-121
- Affected
- microsoft/windows server 2012 · microsoft/windows server 2016 · microsoft/windows server 2019 · microsoft/windows server 2022 · microsoft/windows server 2022 23h2 · microsoft/windows server 2025
- Source
- secure@microsoft.com
EPSS moved from 1.0% on 24 September 2026 to 79.6% on 27 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
References
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.