PT-2026-2713 · Microsoft · Rras+1

Oruga00 + 1 · Published 2026-01-13 · Updated 2026-03-10 · CVE-2026-20868

Positive Technologies (AI Summary)

CVSS v2.0

10

High

Base vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Microsoft Windows (affected versions not specified)

Description A heap-based buffer overflow exists in the Windows Routing and Remote Access Service (RRAS). This allows an unauthorized attacker to execute code over a network.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

Heap Based Buffer Overflow

Weakness Enumeration

CWE-122

Related Identifiers

BDU:2026-00399

CVE-2026-20868

Affected Products

Windows

Rras

References · 12

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20868 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2026-20868 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-00399 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-20868 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-20868 · Security Note
• https://osv.dev/vulnerability/CVE-2026-20868 · Vendor Advisory
• https://vicarius.io/vsociety/posts/cve-2026-20868-mitigation-script-heap-based-buffer-overflow-vulnerability-affecting-windows-rras · Note
• https://twitter.com/vuldb/status/2011150282030530995 · Twitter Post
• https://twitter.com/ox0ffff/status/2011275514380538057 · Twitter Post
• https://vicarius.io/vsociety/posts/cve-2026-20868-detection-script-heap-based-buffer-overflow-vulnerability-affecting-windows-rras · Note
• https://twitter.com/CveFindCom/status/2011146173776548316 · Twitter Post
• https://twitter.com/CVEnew/status/2011181514827186539 · Twitter Post