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Windows Routing and Remote Access Service (RRAS)

CVE-2025-50162 — Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability

Important CVSS 8 EPSS 0.00791 2025-08 archive

Executive Summary

Heap-based buffer overflow in Windows Routing and Remote Access Service (RRAS) allows an authorized attacker to execute code over a network.

Overview

8
CVSS HIGH
Important
MS Severity
Not Exploited
MS Exploit Status
Exploitation Unlikely
MS Exploit Likelihood
Category Remote Code Execution
Released Aug 12 2025
Last Updated Aug 12 2025
Publicly Disclosed No
CISA KEV Not Listed
Known Exploits None Known
EPSS Score 0.00791 — 0.51444 percentile
NVD CVSS 8 HIGH — matches MSRC

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
ATTACK VECTOR
Network
ATTACK COMPLEXITY
Low
PRIVILEGES REQUIRED
Low
USER INTERACTION
Required
SCOPE
Unchanged
CONFIDENTIALITY
High
INTEGRITY
High
AVAILABILITY
High
EXPLOIT CODE MATURITY
Unproven
REMEDIATION LEVEL
Official Fix
REPORT CONFIDENCE
Confirmed
Temporal Score: 7.0

EPSS Score

0.00791
probability of exploitation in the next 30 days
0.51444 percentile - updated 2026-06-21
View on FIRST.org

Affected Products

9 affected products
Product KB Article Severity Impact Restart Required
Windows Server 2008 for 32-bit Systems Service Pack 2 5063888 (MonthlyRollup) 5063948 (SecurityOnly) Important Remote Code Execution 5062624 Base: 8.0 Temporal: 7.0 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 6.0.6003.23471 Yes None Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) 5063888 (MonthlyRollup) 5063948 (SecurityOnly) Important Remote Code Execution 5062624 Base: 8.0 Temporal: 7.0 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 6.0.6003.23471 Yes None Windows Server 2008 for x64-based Systems Service Pack 2 5063888 (MonthlyRollup) 5063948 (SecurityOnly) Important Remote Code Execution 5062624 Base: 8.0 Temporal: 7.0 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 6.0.6003.23471 Yes None Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) 5063888 (MonthlyRollup) 5063948 (SecurityOnly) Important Remote Code Execution 5062624 Base: 8.0 Temporal: 7.0 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 6.0.6003.23471 Yes None Windows Server 2008 R2 for x64-based Systems Service Pack 1 5063947 (MonthlyRollup) 5063927 (SecurityOnly) Important Remote Code Execution 5062632 Base: 8.0 Temporal: 7.0 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 6.1.7601.27872 Yes None Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) 5063947 (MonthlyRollup) 5063927 (SecurityOnly) Important Remote Code Execution 5062632 Base: 8.0 Temporal: 7.0 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 6.1.7601.27872 Yes None Windows Server 2012 5063906 (MonthlyRollup) Important Remote Code Execution Yes
Windows Server 2012 (Server Core installation) 5063906 (MonthlyRollup) Important Remote Code Execution Yes
Windows Server 2012 R2 5063950 (MonthlyRollup) Important Remote Code Execution Yes
Windows Server 2012 R2 (Server Core installation) 5063950 (MonthlyRollup) Important Remote Code Execution Yes
Windows Server 2016 5063871 (Security Update) Important Remote Code Execution Yes
Windows Server 2016 (Server Core installation) 5063871 (Security Update) Important Remote Code Execution Yes
Windows Server 2019 5063877 (Security Update) Important Remote Code Execution Yes
Windows Server 2019 (Server Core installation) 5063877 (Security Update) Important Remote Code Execution Yes
Windows Server 2022 5063880 (SecurityUpdate) 5063812 (SecurityHotpatchUpdate) Important Remote Code Execution 5062572 Base: 8.0 Temporal: 7.0 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 10.0.20348.4052 10.0.20348.3989 Yes None Windows Server 2022 (Server Core installation) 5063880 (SecurityUpdate) 5063812 (SecurityHotpatchUpdate) Important Remote Code Execution 5062572 Base: 8.0 Temporal: 7.0 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 10.0.20348.4052 10.0.20348.3989 Yes None Windows Server 2022, 23H2 Edition (Server Core installation) 5063899 (SecurityUpdate) Important Remote Code Execution Yes

Patches

5 patches
Article Type Restart
5063906 MonthlyRollup Yes
5063950 MonthlyRollup Yes
5063871 Security Update Yes
5063877 Security Update Yes
5063899 SecurityUpdate Yes

Known Exploits

Acknowledgments

Anonymous

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