Remote code execution in Microsoft Scripting Engine
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2021-26419 |
| CWE-ID | CWE-119 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Microsoft Internet Explorer Client/Desktop applications / Web browsers Windows Operating systems & Components / Operating system |
| Vendor | Microsoft |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Buffer overflow
EUVDB-ID: #VU53114
Risk: Low
CVSSv3.1: 5.6 [CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-26419
CWE-ID:
CWE-119 - Memory corruption
Exploit availability: No
DescriptionThe vulnerability allows a remote user to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in Scripting Engine. A remote administrator can trick a victim to visit a malicious website, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsMicrosoft Internet Explorer: 9 - 11
Windows: 10 20H2
External linkshttp://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26419
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated privileged user 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.
