PT-2026-2692 · Microsoft · Windows Routing/Remote Access Service+1

Ezrakie · Published 2026-01-13 · Updated 2026-01-14 · CVE-2026-20843

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Windows Routing and Remote Access Service (RRAS) (affected versions not specified)

Description An issue with access control in Windows Routing and Remote Access Service (RRAS) could allow a local attacker to gain elevated privileges. The vulnerability allows an authorized attacker to elevate privileges locally.

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

Improper Access Control

Weakness Enumeration

CWE-284

Related Identifiers

BDU:2026-00385

CVE-2026-20843

Affected Products

Windows

Windows Routing/Remote Access Service

References · 8

• https://bdu.fstec.ru/vul/2026-00385 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20843 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2026-20843 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-20843 · Security Note
• https://osv.dev/vulnerability/CVE-2026-20843 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-20843 · Security Note
• https://twitter.com/CVEnew/status/2011181525413609610 · Twitter Post
• https://twitter.com/ox0ffff/status/2011275514380538057 · Twitter Post