CVE-2025-62473
published 2025-12-09CVE-2025-62473: Buffer over-read in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to disclose information over a network.
PriorityP339medium6.5CVSS 3.1
AVNACLPRNUIRSUCHINAN
EPSS
1.02%
59.4th percentile
Buffer over-read in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to disclose information over a network.
Affected
45 ranges· showing 25
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| microsoft | windows_10_1607 | < 10.0.14393.8688 | 10.0.14393.8688 |
| microsoft | windows_10_1809 | < 10.0.17763.8146 | 10.0.17763.8146 |
| microsoft | windows_10_21h2 | < 10.0.19044.6691 | 10.0.19044.6691 |
| microsoft | windows_10_22h2 | < 10.0.19045.6691 | 10.0.19045.6691 |
| microsoft | windows_10_version_1607 | >= 10.0.14393.0 < 10.0.14393.8688 | 10.0.14393.8688 |
| microsoft | windows_10_version_1809 | >= 10.0.17763.0 < 10.0.17763.8146 | 10.0.17763.8146 |
| microsoft | windows_10_version_21h2 | >= 10.0.19044.0 < 10.0.19044.6691 | 10.0.19044.6691 |
| microsoft | windows_10_version_22h2 | >= 10.0.19045.0 < 10.0.19045.6691 | 10.0.19045.6691 |
| microsoft | windows_11_23h2 | < 10.0.22631.6345 | 10.0.22631.6345 |
| microsoft | windows_11_24h2 | < 10.0.26100.7392 | 10.0.26100.7392 |
| microsoft | windows_11_25h2 | < 10.0.26200.7392 | 10.0.26200.7392 |
| microsoft | windows_11_version_22h3 | >= 10.0.22631.0 < 10.0.22631.6345 | 10.0.22631.6345 |
| microsoft | windows_11_version_23h2 | >= 10.0.22631.0 < 10.0.22631.6345 | 10.0.22631.6345 |
| microsoft | windows_11_version_24h2 | >= 10.0.26100.0 < 10.0.26100.7462 | 10.0.26100.7462 |
| microsoft | windows_11_version_25h2 | >= 10.0.26200.0 < 10.0.26200.7462 | 10.0.26200.7462 |
| microsoft | windows_server_2008 | — | — |
| microsoft | windows_server_2008_r2_service_pack_1 | >= 6.1.7601.0 < 6.1.7601.28064 | 6.1.7601.28064 |
| microsoft | windows_server_2008_service_pack_2 | >= 6.0.6003.0 < 6.0.6003.23666 | 6.0.6003.23666 |
| microsoft | windows_server_2012 | — | — |
| microsoft | windows_server_2012 | >= 6.2.9200.0 < 6.2.9200.25815 | 6.2.9200.25815 |
| microsoft | windows_server_2012_r2 | >= 6.3.9600.0 < 6.3.9600.22920 | 6.3.9600.22920 |
| microsoft | windows_server_2016 | < 10.0.14393.8688 | 10.0.14393.8688 |
| microsoft | windows_server_2016 | >= 10.0.14393.0 < 10.0.14393.8688 | 10.0.14393.8688 |
| microsoft | windows_server_2019 | < 10.0.17763.8146 | 10.0.17763.8146 |
| microsoft | windows_server_2019 | >= 10.0.17763.0 < 10.0.17763.8146 | 10.0.17763.8146 |
CVSS provenance
nvdv3.16.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
vendor_msrc6.5MEDIUM
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Microsoft
Windows Routing and Remote Access Service (RRAS) Information Disclosure Vulnerability
vendor_msrc·2025-12-09·CVSS 6.5
CVE-2025-62473 [MEDIUM] CWE-126 Windows Routing and Remote Access Service (RRAS) Information Disclosure Vulnerability
Windows Routing and Remote Access Service (RRAS) Information Disclosure Vulnerability
Description: Buffer over-read in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to disclose information over a network.
FAQ: What type of information could be disclosed by this vulnerability?
An attacker who successfully exploited this vulnerability could potentially read portions of heap memory.
FAQ: According to the CVSS metric, the attack vector is network (AV:N), user interaction is required (UI:R), and privileges required are none (PR:N). What does that mean for this vulnerability?
Exploitation of this vulnerability requires an unauthorized attacker to wait for a user to initiate a connection to a malicious server that the attacker has set up prior to the user con
GHSA
GHSA-j7mc-p6qr-w5w5: Buffer over-read in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to disclose information over a network
ghsa_unreviewed·2025-12-09
CVE-2025-62473 [MEDIUM] CWE-126 GHSA-j7mc-p6qr-w5w5: Buffer over-read in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to disclose information over a network
Buffer over-read in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to disclose information over a network.
No detection rules found.
No public exploits indexed.
Bleepingcomputer
Microsoft December 2025 Patch Tuesday fixes 3 zero-days, 57 flaws
blogs_bleepingcomputer·2025-12-09·CVSS 7.8
[HIGH] Microsoft December 2025 Patch Tuesday fixes 3 zero-days, 57 flaws
## Microsoft December 2025 Patch Tuesday fixes 3 zero-days, 57 flaws
## Lawrence Abrams
28 Elevation of Privilege Vulnerabilities
19 Remote Code Execution Vulnerabilities
4 Information Disclosure Vulnerabilities
3 Denial of Service Vulnerabilities
2 Spoofing Vulnerabilities
When BleepingComputer reports on Patch Tuesday security updates, we only count those released by Microsoft today. Therefore, the number of flaws does not include Microsoft Edge (15 flaws) and Mariner vulnerabilities fixed earlier this month.
To learn more about the non-security updates released today, you can review our dedicated articles on the Windows 11 KB5072033 & KB5071417 cumulative updates .
If you're facing delays, blind spots, or prioritization issues with Patch Tuesday updates, our recent webinar with
Wiz
CVE-2025-62473 Impact, Exploitability, and Mitigation Steps | Wiz
blogs_wiz·CVSS 6.5
CVE-2025-62473 [MEDIUM] CVE-2025-62473 Impact, Exploitability, and Mitigation Steps | Wiz
## CVE-2025-62473 :
vulnerability analysis and mitigation
Buffer over-read in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to disclose information over a network.
Source : NVD
## 6.5
Score
Published December 9, 2025
Severity MEDIUM
CNA Score 6.5
Has Public Exploit No
Has CISA KEV Exploit No
CISA KEV Release Date N/A
CISA KEV Due Date N/A
Exploitation Probability Percentile (EPSS) 22.4
Exploitation Probability (EPSS) 0.1
Sources
NVD
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2025-12-09
Published