Vulnerabilities

Vulnerability · CVE-2016-3210

Microsoft Internet Explorer Improper Restriction of Operations within the Bounds of a Memory Buffer

Published Aug 17, 2021 · catalog updated Aug 17, 2021 · Microsoft Internet Explorer

Patch now

CVE-2016-3210 is in the CISA known-exploited catalog. Confirm Microsoft Internet Explorer against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
Severity
Unknown—
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
21.86%
Remediation
Remediation guidance
Affected products
vendor Microsoft Internet Explorer

The Microsoft (1) JScript and (2) VBScript engines, as used in Internet Explorer 11, allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "Scripting Engine Memory Corruption Vulnerability."

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Microsoft Internet Explorerversion unspecified

How to fix CVE-2016-3210

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2016-3210 is in the CISA known-exploited catalog. Confirm Microsoft Internet Explorer against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Affected version ranges are not on this record. Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

What should an analyst verify?

No weakness class is stored. EPSS 21.86%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Aug 17, 2021 · VulnCheck KEV

    Detected

    The Microsoft (1) JScript and (2) VBScript engines, as used in Internet Explorer 11, allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "Scripting Engine Memory Corruption Vulnerability."

  2. Aug 17, 2021 · CISA KEV

    Known exploited

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Sources

  • CVE.orgVulnerability recordCVE-2016-3210

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2016-3210

    30-day exploitation probability 21.9%

    first.org
  • VulnCheck KEVConfirmed exploitationCVE-2016-3210

    The Microsoft (1) JScript and (2) VBScript engines, as used in Internet Explorer 11, allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "Scripting Engine Memory Corruption Vulnerability."

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.