CVE-2025-64678

highpriority · track · 0EPSS 0.010 · 63 %ileDEEUNLRUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

1.03% (63rd) EPSS

CVSS 8.8 · high

Is it mine?

206 products

Check your exposure

Who says so?

6 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-22

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

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

FixedWindows 10 Version 1607 for 32-bit Systemsmsrc_csaf
10.0.14393.8594:Security Update:https://support.microsoft.com/help/5068864
https://support.microsoft.com/help/5068864
FixedWindows 10 Version 1607 for x64-based Systemsmsrc_csaf
10.0.14393.8594:Security Update:https://support.microsoft.com/help/5068864
https://support.microsoft.com/help/5068864
FixedWindows 10 Version 1809 for 32-bit Systemsmsrc_csaf
10.0.17763.8027:Security Update:https://support.microsoft.com/help/5068791
https://support.microsoft.com/help/5068791
FixedWindows 10 Version 1809 for x64-based Systemsmsrc_csaf
10.0.17763.8027:Security Update:https://support.microsoft.com/help/5068791
https://support.microsoft.com/help/5068791
FixedWindows 10 Version 21H2 for 32-bit Systemsmsrc_csaf
10.0.19044.6575:Security Update:https://support.microsoft.com/help/5068781
https://support.microsoft.com/help/5068781
FixedWindows 10 Version 21H2 for ARM64-based Systemsmsrc_csaf
10.0.19044.6575:Security Update:https://support.microsoft.com/help/5068781
https://support.microsoft.com/help/5068781
FixedWindows 10 Version 21H2 for x64-based Systemsmsrc_csaf
10.0.19044.6575:Security Update:https://support.microsoft.com/help/5068781
https://support.microsoft.com/help/5068781
FixedWindows 10 Version 22H2 for 32-bit Systemsmsrc_csaf
10.0.19045.6575:Security Update:https://support.microsoft.com/help/5068781
https://support.microsoft.com/help/5068781
FixedWindows 10 Version 22H2 for ARM64-based Systemsmsrc_csaf
10.0.19045.6575:Security Update:https://support.microsoft.com/help/5068781
https://support.microsoft.com/help/5068781
FixedWindows 10 Version 22H2 for x64-based Systemsmsrc_csaf
10.0.19045.6575:Security Update:https://support.microsoft.com/help/5068781
https://support.microsoft.com/help/5068781
FixedWindows 11 Version 23H2 for ARM64-based Systemsmsrc_csaf
10.0.22631.6199:Security Update:https://support.microsoft.com/help/5068865
https://support.microsoft.com/help/5068865
FixedWindows 11 Version 23H2 for x64-based Systemsmsrc_csaf
10.0.22631.6199:Security Update:https://support.microsoft.com/help/5068865
https://support.microsoft.com/help/5068865
FixedWindows 11 Version 24H2 for ARM64-based Systemsmsrc_csaf
10.0.26100.7171:Security Update:https://support.microsoft.com/help/5068861
https://support.microsoft.com/help/5068861
FixedWindows 11 Version 24H2 for x64-based Systemsmsrc_csaf
10.0.26100.7171:Security Update:https://support.microsoft.com/help/5068861
https://support.microsoft.com/help/5068861
FixedWindows 11 Version 25H2 for ARM64-based Systemsmsrc_csaf
10.0.26200.7171:Security Update:https://support.microsoft.com/help/5068861
https://support.microsoft.com/help/5068861
FixedWindows 11 Version 25H2 for x64-based Systemsmsrc_csaf
10.0.26200.7171:Security Update:https://support.microsoft.com/help/5068861
https://support.microsoft.com/help/5068861
FixedWindows Server 2008 R2 for x64-based Systems Service Pack 1msrc_csaf
6.1.7601.28021:Monthly Rollup:https://support.microsoft.com/help/5068904
https://support.microsoft.com/help/5068904
FixedWindows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)msrc_csaf
6.1.7601.28021:Monthly Rollup:https://support.microsoft.com/help/5068904
https://support.microsoft.com/help/5068904
FixedWindows Server 2008 for 32-bit Systems Service Pack 2msrc_csaf
6.0.6003.23624:Monthly Rollup:https://support.microsoft.com/help/5068906
https://support.microsoft.com/help/5068906
FixedWindows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)msrc_csaf
6.0.6003.23624:Monthly Rollup:https://support.microsoft.com/help/5068906
https://support.microsoft.com/help/5068906
FixedWindows Server 2008 for x64-based Systems Service Pack 2msrc_csaf
6.0.6003.23624:Monthly Rollup:https://support.microsoft.com/help/5068906
https://support.microsoft.com/help/5068906
FixedWindows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)msrc_csaf
6.0.6003.23624:Monthly Rollup:https://support.microsoft.com/help/5068906
https://support.microsoft.com/help/5068906
FixedWindows Server 2012msrc_csaf
6.2.9200.25768:Monthly Rollup:https://support.microsoft.com/help/5068907
https://support.microsoft.com/help/5068907
FixedWindows Server 2012 (Server Core installation)msrc_csaf
6.2.9200.25768:Monthly Rollup:https://support.microsoft.com/help/5068907
https://support.microsoft.com/help/5068907
FixedWindows Server 2012 R2msrc_csaf
6.3.9600.22869:Monthly Rollup:https://support.microsoft.com/help/5068905
https://support.microsoft.com/help/5068905
FixedWindows Server 2012 R2 (Server Core installation)msrc_csaf
6.3.9600.22869:Monthly Rollup:https://support.microsoft.com/help/5068905
https://support.microsoft.com/help/5068905
FixedWindows Server 2016msrc_csaf
10.0.14393.8594:Security Update:https://support.microsoft.com/help/5068864
https://support.microsoft.com/help/5068864
FixedWindows Server 2016 (Server Core installation)msrc_csaf
10.0.14393.8594:Security Update:https://support.microsoft.com/help/5068864
https://support.microsoft.com/help/5068864
FixedWindows Server 2019msrc_csaf
10.0.17763.8027:Security Update:https://support.microsoft.com/help/5068791
https://support.microsoft.com/help/5068791
FixedWindows Server 2019 (Server Core installation)msrc_csaf
10.0.17763.8027:Security Update:https://support.microsoft.com/help/5068791
https://support.microsoft.com/help/5068791
FixedWindows Server 2022msrc_csaf
10.0.20348.4405:Security Update:https://support.microsoft.com/help/5068787
https://support.microsoft.com/help/5068787
FixedWindows Server 2022 (Server Core installation)msrc_csaf
10.0.20348.4405:Security Update:https://support.microsoft.com/help/5068787
https://support.microsoft.com/help/5068787
FixedWindows Server 2022, 23H2 Edition (Server Core installation)msrc_csaf
10.0.25398.1965:Security Update:https://support.microsoft.com/help/5068779
https://support.microsoft.com/help/5068779
FixedWindows Server 2025msrc_csaf
10.0.26100.7171:Security Update:https://support.microsoft.com/help/5068861
https://support.microsoft.com/help/5068861
FixedWindows Server 2025 (Server Core installation)msrc_csaf
10.0.26100.7171:Security Update:https://support.microsoft.com/help/5068861
https://support.microsoft.com/help/5068861

cvss

Technical severity, 0–10. One row per scoring source.

8.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.18.8highAV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:Csecondary · ENISA EU

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · secure@microsoft.com USexploitability 2.8 · impact 5.9

v3.18.1highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:Csecondary · NCSC-NL NL

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:Csecondary · Microsoft Security Response Center US

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-122USCWE-122USCWE-122USCWE-122US

affected products (206)

Products and version ranges known to be affected.

Hitachi Storageall versionscert_bundDEcpe:/h:hitachi:storage:-
Microsoft Exchange Server 2016 Cumulative Update 23all versionscert_bundDEcpe:/a:microsoft:exchange_server_2016:cumulative_update_23
Microsoft Exchange Server 2019 Cumulative Update 14all versionscert_bundDEcpe:/a:microsoft:exchange_server_2019:cumulative_update_14
Microsoft Exchange Server 2019 Cumulative Update 15all versionscert_bundDEcpe:/a:microsoft:exchange_server_2019:cumulative_update_15
Microsoft Windows 10all versionscert_bundDEcpe:/o:microsoft:windows_10:-
Microsoft Windows 10 Version 1607all versionscert_bundDEcpe:/o:microsoft:windows_10:version_1607
Microsoft Windows 10 Version 1809all versionscert_bundDEcpe:/o:microsoft:windows_10:version_1809
Microsoft Windows 10 Version 21H2all versionscert_bundDEcpe:/o:microsoft:windows_10:version_21h2
Microsoft Windows 10 Version 22H2all versionscert_bundDEcpe:/o:microsoft:windows_10:version_22h2
Microsoft Windows 11 Version 22H2all versionscert_bundDEcpe:/o:microsoft:windows_11:version_22h2
Microsoft Windows 11 Version 23H2all versionscert_bundDEcpe:/o:microsoft:windows_11:version_23h2
Microsoft Windows 11 Version 24H2all versionscert_bundDEcpe:/o:microsoft:windows_11:version_24h2
Microsoft Windows 11 Windows Terminalall versionscert_bundDEcpe:/o:microsoft:windows_11:windows_terminal
Microsoft Windows Server 2008 R2 SP1all versionscert_bundDEcpe:/o:microsoft:windows_server:2008_r2_sp1
Microsoft Windows Server 2008 SP2all versionscert_bundDEcpe:/o:microsoft:windows_server:2008_sp2
Microsoft Windows Server 2012all versionscert_bundDEcpe:/o:microsoft:windows_server_2012:-
Microsoft Windows Server 2012 R2all versionscert_bundDEcpe:/o:microsoft:windows_server_2012_r2:-
Microsoft Windows Server 2016all versionscert_bundDEcpe:/o:microsoft:windows_server_2016:-
Microsoft Windows Server 2019all versionscert_bundDEcpe:/o:microsoft:windows_server_2019:-
Microsoft Windows Server 2022all versionscert_bundDEcpe:/o:microsoft:windows_server_2022:-

showing 20 of 206

advisories (3)

Vendor and ecosystem advisories describing this.

NCSC-2025-0383Kwetsbaarheden verholpen in Microsoft WindowsNL2025-12-09csaf · ncsc_nlNL
Microsoft heeft kwetsbaarheden verholpen in Windows.
WID-SEC-W-2025-2781Microsoft Windows: Mehrere SchwachstellenDeutsch2025-12-09csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Microsoft Windows und Microsoft Windows Server ausnutzen, um beliebigen Programmcode auszuführen, Rechte zu eskalieren, vertrauliche Informationen auszulesen oder den Host zum Absturz zu bringen.
msrc_CVE-2025-64678Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability2025-12-09csaf · msrc_csafUS
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund ncsc_nl msrc_csaf NVD CVE.org MITRE

published 2025-12-09modified 2026-06-17

references (3)

External citations — patches, advisories, analysis.

scry

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