Important CVSS 8.8 EPSS 0.00843 2025-09 archive

Executive Summary

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

Overview

8.8
CVSS HIGH
Important
MS Severity
Not Exploited
MS Exploit Status
Exploitation Unlikely
MS Exploit Likelihood
Category Remote Code Execution
Released Sep 9 2025
Last Updated Sep 9 2025
Publicly Disclosed No
CISA KEV Not Listed
Known Exploits None Known
EPSS Score 0.00843 — 0.53122 percentile

CVSS Vector

ATTACK VECTOR
Network
ATTACK COMPLEXITY
Low
PRIVILEGES REQUIRED
None
USER INTERACTION
Required
SCOPE
Unchanged
Temporal Score: 7.7

EPSS Score

0.00843
probability of exploitation in the next 30 days
0.53122 percentile - updated 2026-06-20
View on FIRST.org

Affected Products

19 affected products
Product KB Article Severity Impact Restart Required
Windows Server 2008 for 32-bit Systems Service Pack 2 5065508 (Monthly Rollup) 5065511 (Security Only) Important Remote Code Execution Yes
Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) 5065508 (Monthly Rollup) 5065511 (Security Only) Important Remote Code Execution Yes
Windows Server 2008 for x64-based Systems Service Pack 2 5065508 (Monthly Rollup) 5065511 (Security Only) Important Remote Code Execution Yes
Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) 5065508 (Monthly Rollup) 5065511 (Security Only) Important Remote Code Execution Yes
Windows Server 2008 R2 for x64-based Systems Service Pack 1 5065468 (Monthly Rollup) 5065510 (Security Only) Important Remote Code Execution Yes
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) 5065468 (Monthly Rollup) 5065510 (Security Only) Important Remote Code Execution Yes
Windows Server 2012 5065509 (Monthly Rollup) Important Remote Code Execution Yes
Windows Server 2012 (Server Core installation) 5065509 (Monthly Rollup) Important Remote Code Execution Yes
Windows Server 2012 R2 5065507 (Monthly Rollup) Important Remote Code Execution Yes
Windows Server 2012 R2 (Server Core installation) 5065507 (Monthly Rollup) Important Remote Code Execution Yes
Windows Server 2016 5065427 (Security Update) Important Remote Code Execution Yes
Windows Server 2016 (Server Core installation) 5065427 (Security Update) Important Remote Code Execution Yes
Windows Server 2019 5065428 (Security Update) Important Remote Code Execution Yes
Windows Server 2019 (Server Core installation) 5065428 (Security Update) Important Remote Code Execution Yes
Windows Server 2022 5065432 (Security Update) 5065306 (SecurityHotpatchUpdate) Important Remote Code Execution Yes
Windows Server 2022 (Server Core installation) 5065432 (Security Update) 5065306 (SecurityHotpatchUpdate) Important Remote Code Execution Yes
Windows Server 2022, 23H2 Edition (Server Core installation) 5065425 (Security Update) Important Remote Code Execution Yes
Windows Server 2025 5065426 (Security Update) 5065474 (SecurityHotpatchUpdate) Important Remote Code Execution Yes
Windows Server 2025 (Server Core installation) 5065426 (Security Update) 5065474 (SecurityHotpatchUpdate) Important Remote Code Execution Yes

Patches

9 patches
Article Type Restart
5065508 (Monthly Rollup) 5065511 Monthly Rollup Yes
5065468 (Monthly Rollup) 5065510 Monthly Rollup Yes
5065509 Monthly Rollup Yes
5065507 Monthly Rollup Yes
5065427 Security Update Yes
5065428 Security Update Yes
5065432 (Security Update) 5065306 Security Update Yes
5065425 Security Update Yes
5065426 (Security Update) 5065474 Security Update Yes

Known Exploits

Acknowledgments

Anonymous