CVE-2025-49669 — Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability

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 Jul 8 2025

Last Updated Jul 8 2025

Publicly Disclosed No

CISA KEV Not Listed

Known Exploits None Known

EPSS Score 0.00748 — 0.50024 percentile

NVD CVSS 8.8 HIGH — matches MSRC

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

ATTACK VECTOR

Network

ATTACK COMPLEXITY

Low

PRIVILEGES REQUIRED

None

USER INTERACTION

Required

SCOPE

Unchanged

CONFIDENTIALITY

High

INTEGRITY

High

AVAILABILITY

High

EXPLOIT CODE MATURITY

Unproven

REMEDIATION LEVEL

Official Fix

REPORT CONFIDENCE

Confirmed

Temporal Score: 7.7

EPSS Score

0.00748

probability of exploitation in the next 30 days

0.50024 percentile - updated 2026-06-21

View on FIRST.org

Affected Products

13 affected products

Product	KB Article	Severity	Impact	Restart Required
Windows Server 2008 for 32-bit Systems Service Pack 2 5062624 (Monthly Rollup) 5062618 (Security Only) Important Remote Code Execution 5061026 Base: 8.8 Temporal: 7.7 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 6.0.6003.23418 Yes None Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) 5062624 (Monthly Rollup) 5062618 (Security Only) Important Remote Code Execution 5061026 Base: 8.8 Temporal: 7.7 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 6.0.6003.23418 Yes None Windows Server 2008 for x64-based Systems Service Pack 2 5062624 (Monthly Rollup) 5062618 (Security Only) Important Remote Code Execution 5061026 Base: 8.8 Temporal: 7.7 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 6.0.6003.23418 Yes None Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) 5062624 (Monthly Rollup) 5062618 (Security Only) Important Remote Code Execution 5061026 Base: 8.8 Temporal: 7.7 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 6.0.6003.23418 Yes None Windows Server 2008 R2 for x64-based Systems Service Pack 1 5062632 (Monthly Rollup) 5062619 (Security Only) Important Remote Code Execution 5061078 Base: 8.8 Temporal: 7.7 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 6.1.7601.27820 Yes None Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) 5062632 (Monthly Rollup) 5062619 (Security Only) Important Remote Code Execution 5061078 Base: 8.8 Temporal: 7.7 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 6.1.7601.27820 Yes None Windows Server 2012	`5062592 (Monthly Rollup)`	Important	Remote Code Execution	Yes
Windows Server 2012 (Server Core installation)	`5062592 (Monthly Rollup)`	Important	Remote Code Execution	Yes
Windows Server 2012 R2	`5062597 (Monthly Rollup)`	Important	Remote Code Execution	Yes
Windows Server 2012 R2 (Server Core installation)	`5062597 (Monthly Rollup)`	Important	Remote Code Execution	Yes
Windows Server 2016	`5062560 (Security Update)`	Important	Remote Code Execution	Yes
Windows Server 2016 (Server Core installation)	`5062560 (Security Update)`	Important	Remote Code Execution	Yes
Windows Server 2019	`5062557 (Security Update)`	Important	Remote Code Execution	Yes
Windows Server 2019 (Server Core installation)	`5062557 (Security Update)`	Important	Remote Code Execution	Yes
Windows Server 2022	`5062572 (Security Update)`	Important	Remote Code Execution	Yes
Windows Server 2022 (Server Core installation)	`5062572 (Security Update)`	Important	Remote Code Execution	Yes
Windows Server 2022, 23H2 Edition (Server Core installation)	`5062570 (Security Update)`	Important	Remote Code Execution	Yes
Windows Server 2025	`5062553 (Security Update)`	Important	Remote Code Execution	Yes
Windows Server 2025 (Server Core installation)	`5062553 (Security Update)`	Important	Remote Code Execution	Yes

Patches

7 patches

Article	Type	Restart
`5062592`	Monthly Rollup	Yes
`5062597`	Monthly Rollup	Yes
`5062560`	Security Update	Yes
`5062557`	Security Update	Yes
`5062572`	Security Update	Yes
`5062570`	Security Update	Yes
`5062553`	Security Update	Yes

Known Exploits

No known exploits have been linked for this CVE yet. When available, exploit references will be sourced from public repositories and may be unverified, incomplete, or non-functional. Always review code carefully before use in any environment.

Acknowledgments

Anonymous

References

MSRC Advisory MITRE NVD