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High severity · published Dec 9, 2025
CVE-2025-62549
Untrusted pointer dereference in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to execute code over a network
8.8
CVSS
1.3%
EPSS
No
On KEV
Description
Untrusted pointer dereference in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to execute code over a network.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.3% · higher than 71% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
W1
Windows 10 1607 · Microsoft
before 10.0.14393.8688; before 10.0.14393.8688 · source: NVD
W1
Windows 10 1809 · Microsoft
before 10.0.17763.8146; before 10.0.17763.8146 · source: NVD
W1
Windows 10 21h2 · Microsoft
before 10.0.19044.6691 · source: NVD
W1
Windows 10 22h2 · Microsoft
before 10.0.19045.6691 · source: NVD
W1
Windows 11 23h2 · Microsoft
before 10.0.22631.6345 · source: NVD
W1
Windows 11 24h2 · Microsoft
before 10.0.26100.7392 · source: NVD
W1
Windows 11 25h2 · Microsoft
before 10.0.26200.7392 · source: NVD
WS
Windows Server 2008 · Microsoft
r2 · source: NVD
WS
Windows Server 2012 · Microsoft
r2 · source: NVD
WS
Windows Server 2016 · Microsoft
before 10.0.14393.8688 · source: NVD
WS
Windows Server 2019 · Microsoft
before 10.0.17763.8146 · source: NVD
WS
Windows Server 2022 · Microsoft
before 10.0.20348.4467 · source: NVD
Affected product
W1
Windows 10 1607
Microsoft
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-62549
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-62549
Vendor Advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-62549
www.vicarius.io
https://www.vicarius.io/vsociety/posts/cve-2025-62549-detection-script-rce-vulnerability-in-windows-routing-and-remote-access-service
www.vicarius.io
https://www.vicarius.io/vsociety/posts/cve-2025-62549-mitigation-script-rce-vulnerability-in-windows-routing-and-remote-access-service
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