Multiple vulnerabilities in Microsoft Edge
| Risk | Critical |
| Patch available | YES |
| Number of vulnerabilities | 5 |
| CVE-ID | CVE-2024-4950 CVE-2024-4947 CVE-2024-30056 CVE-2024-4949 CVE-2024-4948 |
| CWE-ID | CWE-358 CWE-843 CWE-200 CWE-416 |
| Exploitation vector | Network |
| Public exploit |
Vulnerability #2 is being exploited in the wild. Public exploit code for vulnerability #3 is available. |
| Vulnerable software Subscribe |
Microsoft Edge Client/Desktop applications / Web browsers |
| Vendor | Microsoft |
Security Bulletin
This security bulletin contains information about 5 vulnerabilities.
1) Improperly implemented security check for standard
EUVDB-ID: #VU89574
Risk: Low
CVSSv3.1: 2.7 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2024-4950
CWE-ID:
CWE-358 - Improperly Implemented Security Check for Standard
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to incorrect implementation in Downloads in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and gain access to sensitive information.
MitigationInstall updates from Microsoft website.
Vulnerable software versionsMicrosoft Edge: 79.0.309.71 - 124.0.2478.105
External linkshttp://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2024-4950
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.
2) Type Confusion
EUVDB-ID: #VU89571
Risk: Critical
CVSSv3.1: 8.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C]
CVE-ID: CVE-2024-4947
CWE-ID:
CWE-843 - Type confusion
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a type confusion error within the V8 component in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger a type confusion error and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Note, the vulnerability is being actively exploited in the wild.
Install updates from Microsoft website.
Vulnerable software versionsMicrosoft Edge: 79.0.309.71 - 124.0.2478.105
External linkshttp://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2024-4947
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?
Yes. This vulnerability is being exploited in the wild.
3) Information disclosure
EUVDB-ID: #VU89628
Risk: Low
CVSSv3.1: 3.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C]
CVE-ID: CVE-2024-30056
CWE-ID:
CWE-200 - Information exposure
Exploit availability: Yes
DescriptionThe vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to excessive data output by the application. A remote attacker can trick the victim to visit a specially crafted website and gain access to sensitive information.
Install updates from Microsoft website.
Vulnerable software versionsMicrosoft Edge: 79.0.309.71 - 124.0.2478.105
External linkshttp://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2024-30056
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. However, proof of concept for this vulnerability is available.
4) Use-after-free
EUVDB-ID: #VU89573
Risk: Medium
CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2024-4949
CWE-ID:
CWE-416 - Use After Free
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within V8 in Google Chrome. A remote attacker can trick the victim into visiting a specially crafted web page, trigger a use-after-free error and gain access to sensitive information.
MitigationInstall updates from Microsoft website.
Vulnerable software versionsMicrosoft Edge: 79.0.309.71 - 124.0.2478.105
External linkshttp://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2024-4949
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.
5) Use-after-free
EUVDB-ID: #VU89572
Risk: High
CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2024-4948
CWE-ID:
CWE-416 - Use After Free
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within the Dawn component in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger use-after-free error and execute arbitrary code on the target system.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
MitigationInstall updates from Microsoft website.
Vulnerable software versionsMicrosoft Edge: 79.0.309.71 - 124.0.2478.105
External linkshttp://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2024-4948
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.
