Remote code execution in Microsoft Edge



| Updated: 2025-04-16
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2025-29834
CWE-ID CWE-125
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Microsoft Edge
Client/Desktop applications / Web browsers

Vendor Microsoft

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Out-of-bounds read

EUVDB-ID: #VU107397

Risk: High

CVSSv4.0: 4.8 [CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2025-29834

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to a boundary condition when handling HTML content. A remote attacker can trick the victim into visiting a specially crafted website, trigger an out-of-bounds read error and execute arbitrary code on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Microsoft Edge: 100.0.1185.29 - 135.0.3179.66

CPE2.3 External links

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-29834


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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