CVE-2026-26111
Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
Description
Integer overflow or wraparound in Windows Routing and Remote Access Service (RRAS) allows an authorized attacker to execute code over a network.
INFO
Published Date :
March 10, 2026, 6:18 p.m.
Last Modified :
March 13, 2026, 8:43 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-26111
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | [email protected] | ||||
| CVSS 3.1 | HIGH | [email protected] |
Solution
- Update Windows to patch the RRAS vulnerability.
- Apply security updates for the operating system.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-26111.
| URL | Resource |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26111 | Vendor Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-26111 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-26111
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-26111 vulnerability anywhere in the article.
-
CybersecurityNews
Microsoft Releases Out-of-Band Patch to Fix Critical RRAS RCE Vulnerabilities in Windows 11
Microsoft released an out-of-band hotpatch update on March 13, 2026, addressing serious security vulnerabilities in Windows 11 versions 24H2 and 25H2. Tracked as KB5084597 and targeting OS Builds 2620 ... Read more
The following table lists the changes that have been made to the
CVE-2026-26111 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Mar. 13, 2026
Action Type Old Value New Value Added CWE CWE-190 Added CPE Configuration OR *cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2012:*:*:*:*:standard:*:x64:* versions up to (excluding) 6.2.9200.25973 *cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:-:*:x64:* versions up to (excluding) 10.0.14393.8957 *cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:-:*:x64:* versions up to (excluding) 10.0.17763.8511 *cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:-:*:x64:* versions up to (excluding) 10.0.20348.4893 *cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:-:*:x64:* versions up to (excluding) 10.0.26100.32522 Added Reference Type Microsoft Corporation: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26111 Types: Vendor Advisory -
CVE Modified by [email protected]
Mar. 13, 2026
Action Type Old Value New Value Changed Description Integer overflow or wraparound in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to execute code over a network. Integer overflow or wraparound in Windows Routing and Remote Access Service (RRAS) allows an authorized attacker to execute code over a network. Added CVSS V3.1 AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H Removed CVSS V3.1 AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H -
New CVE Received by [email protected]
Mar. 10, 2026
Action Type Old Value New Value Added Description Integer overflow or wraparound in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to execute code over a network. Added CVSS V3.1 AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Added CWE CWE-190 Added CWE CWE-122 Added Reference https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26111