Is CVE-2025-49670 in the CISA KEV catalog?

No. CVE-2025-49670 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-49670?

CVE-2025-49670 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2025-49670?

CVE-2025-49670 has an EPSS score of 0.85% (54th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2025-49670?

Install KB5062624 for Windows Server 2008. Fixes are available for 15 affected products.

CVE & CISA-KEV Catalog

CVE-2025-49670

MEDIUM

6.5

CVSS v3

NVD

Description

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

CWE-122Heap-based Buffer Overflow

How to fix

Remediation Available

Windows Server 2008Windows

Install:KB5062624Microsoft

Install:KB5062618Microsoft

Windows Server 2008 R2Windows

Install:KB5062619Microsoft

Install:KB5062632Microsoft

Windows Server 2012Windows

Install:KB5062592Microsoft

Windows Server 2012 (Server Core installation)Windows

Install:KB5062592Microsoft

Windows Server 2012 R2Windows

Install:KB5062597Microsoft

Windows Server 2012 R2 (Server Core installation)Windows

Install:KB5062597Microsoft

Windows Server 2016Windows

Install:KB5062560Microsoft

Windows Server 2016 (Server Core installation)Windows

Install:KB5062560Microsoft

Windows Server 2019Windows

Install:KB5062557Microsoft

Windows Server 2019 (Server Core installation)Windows

Install:KB5062557Microsoft

Windows Server 2022Windows

Install:KB5062572Microsoft

Windows Server 2022 (Server Core installation)Windows

Install:KB5062572Microsoft

Windows Server 2022, 23H2 Edition (Server Core installation)Windows

Install:KB5062570Microsoft

Windows Server 2025Windows

Install:KB5062553Microsoft

Windows Server 2025 (Server Core installation)Windows

Install:KB5062553Microsoft

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

0.85%probability of exploitation in 30 days

54thpercentile

Moderate risk: more likely to be exploited than 54% of all known CVEs.

References

Vendor Advisory1

msrc.microsoft.com

Related Vulnerabilities

Other CWE-122 (Heap-based Buffer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2015-3113	Critical	9.8	100%	KEV	Fix
CVE-2024-26256	High	7.8	88%	-	Fix
CVE-2020-25687	Medium	5.9	87%	-	Fix
CVE-2009-3459	High	8.8	86%	KEV	Fix
CVE-2021-21017	High	8.8	86%	KEV	-
CVE-2020-25683	Medium	5.9	86%	-	Fix

Embed a live status badge for CVE-2025-49670

Markdown

[![CVE-2025-49670](https://tridentstack.com/cve/badge/CVE-2025-49670.svg)](https://tridentstack.com/cve/CVE-2025-49670)

HTML

<a href="https://tridentstack.com/cve/CVE-2025-49670"><img src="https://tridentstack.com/cve/badge/CVE-2025-49670.svg" alt="CVE-2025-49670"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-07-15.