CVE-2026-26111
HIGHCVSS 8/10EPSS 0.84%
Last modified
CVE-2026-26111 is a high-severity vulnerability rated 8/10 on the CVSS scale. Integer overflow or wraparound in Windows Routing and Remote Access Service (RRAS) allows an authorized attacker to execute code over a network.. EPSS estimates a 0.84% chance of exploitation in the next 30 days.
Description
Integer overflow or wraparound in Windows Routing and Remote Access Service (RRAS) allows an authorized attacker to execute code over a network.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows Server 2012 | < 6.2.9200.25973 |
| Microsoft | Windows Server 2012 | r2 |
| Microsoft | Windows Server 2016 | < 10.0.14393.8957 |
| Microsoft | Windows Server 2019 | < 10.0.17763.8511 |
| Microsoft | Windows Server 2022 | < 10.0.20348.4893 |
| Microsoft | Windows Server 2025 | < 10.0.26100.32522 |
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-26111?
Integer overflow or wraparound in Windows Routing and Remote Access Service (RRAS) allows an authorized attacker to execute code over a network.
How severe is CVE-2026-26111?
CVE-2026-26111 has a CVSS score of 8/10 (HIGH severity). The EPSS model estimates a 0.84% probability of exploitation in the next 30 days.
How do I fix CVE-2026-26111?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2026-26111?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST