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CVE-2011-0663

HIGHCVSS 8.8/10EPSS 26.22%

Last modified

CVE-2011-0663 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Multiple integer overflows in the Microsoft (1) JScript 5.6 through 5.8 and (2) VBScript 5.6 through 5.8 scripting engines allow remote attackers to execute arbitrary code via a crafted web page, aka "Scripting Memory Reallocation Vulnerability.". EPSS estimates a 26.22% chance of exploitation in the next 30 days.

Description

Multiple integer overflows in the Microsoft (1) JScript 5.6 through 5.8 and (2) VBScript 5.6 through 5.8 scripting engines allow remote attackers to execute arbitrary code via a crafted web page, aka "Scripting Memory Reallocation Vulnerability."

Metrics

CVSS 3.1
8.8/10

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

EPSS Probability
26.22%

97.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
MicrosoftJscript5.6
MicrosoftVbscript5.6
MicrosoftJscript5.7
MicrosoftVbscript5.7
MicrosoftJscript5.8
MicrosoftVbscript5.8

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2011-0663?
Multiple integer overflows in the Microsoft (1) JScript 5.6 through 5.8 and (2) VBScript 5.6 through 5.8 scripting engines allow remote attackers to execute arbitrary code via a crafted web page, aka "Scripting Memory Reallocation Vulnerability."
How severe is CVE-2011-0663?
CVE-2011-0663 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 26.22% probability of exploitation in the next 30 days.
How do I fix CVE-2011-0663?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2011-0663?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST