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HIGH · 8.0

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.

Vulnerability Description

Integer overflow or wraparound in Windows Routing and Remote Access Service (RRAS) allows an authorized attacker to execute code over a network.

CVSS Score

8.0

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
MicrosoftWindows Server 2012< 6.2.9200.25973
MicrosoftWindows Server 2016< 10.0.14393.8957
MicrosoftWindows Server 2019< 10.0.17763.8511
MicrosoftWindows Server 2022< 10.0.20348.4893
MicrosoftWindows Server 2025< 10.0.26100.32522

Related Weaknesses (CWE)

CWE-122CWE-190

References

FAQ

What is CVE-2026-26111?

CVE-2026-26111 is a vulnerability with a CVSS score of 8.0 (HIGH). 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 been rated HIGH with a CVSS base score of 8.0/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-26111?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Windows Server 2012, Microsoft Windows Server 2016, Microsoft Windows Server 2019, Microsoft Windows Server 2022, Microsoft Windows Server 2025.