Is CVE-2020-0968 actively exploited?

Yes. KEV Intelligence tracks CVE-2020-0968 as a known exploited vulnerability. Confidence is confirmed.

What exploitation activity has KEV Intelligence observed?

KEV Intelligence has not yet recorded sensor-observed exploitation attempts for CVE-2020-0968. Our sensors continue to monitor for activity targeting this CVE.

Which versions are affected?

CVE-2020-0968 affects Microsoft Internet Explorer 9 and 8 other products. KEV Intelligence lists 31 version rows; examples include Windows Server 2008 for 32-bit Systems Service Pack 2, Windows Server 2008 for x64-based Systems Service Pack 2, and Windows 10 Version 1803 for 32-bit Systems.

Yes. CVE-2020-0968 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

CVE-2020-0968 Exploited in the Wild — Internet Explorer 9, Internet Explorer 11, Internet Explorer 11 on Windows 10 Version 1909 for 32-bit Systems, Internet Explorer 11 on Windows 10 Version 1909 for x64-based Systems, Internet Explorer 11 on Windows 10 Version 1909 for ARM64-based Systems, Internet Explorer 11 on Windows 10 Version 1903 for 32-bit Systems, Internet Explorer 11 on Windows 10 Version 1903 for x64-based Systems, Internet Explorer 11 on Windows 10 Version 1903 for ARM64-based Systems, Internet Explorer 11 on Windows Server 2012

Decision summary

What security teams need to know first

Direct answers before the deeper technical record.

What it is

CVE-2020-0968 is an unauthenticated vulnerability affecting Microsoft Internet Explorer 9 and 8 other products. A remote code execution vulnerability exists in the way that the scripting engine handles objects in...

Is it exploited?

Yes. KEV Intelligence tracks this CVE as a known exploited vulnerability. Confidence is confirmed.

Who is affected?

Microsoft / Internet Explorer 9 windows server 2008 for 32-bit systems service pack 2.

What should we do?

Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.

Overview

Internet Explorer 9 Remote Code Execution

A remote code execution vulnerability exists in the way that the scripting engine handles objects in memory in Internet Explorer, aka 'Scripting Engine Memory Corruption Vulnerability'.

This CVE ID is unique from CVE-2020-0970.

Vendor Product Affected Status

Microsoft Internet Explorer 11 on Windows 10 Version 1909 for x64-based Systems unspecified Affected

Microsoft Internet Explorer 11 on Windows 10 Version 1909 for ARM64-based Systems unspecified Affected

Microsoft Internet Explorer 11 on Windows 10 Version 1903 for 32-bit Systems unspecified Affected

Microsoft Internet Explorer 11 on Windows 10 Version 1903 for x64-based Systems unspecified Affected

Microsoft Internet Explorer 11 on Windows 10 Version 1903 for ARM64-based Systems unspecified Affected

Microsoft Internet Explorer 11 on Windows Server 2012 unspecified Affected

Published: 15 Apr 2020
Exploitation Reported: 03 Nov 2021
Attack vector: Remote
Complexity: High
Privileges: None
User interaction: Required

CVE References

CVE Record CVE.org · CVE Record https://www.cve.org/CVERecord?id=CVE-2020-0968
portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0968 portal.msrc.microsoft.com · CVE Record https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CV...

Exploitation evidence

Why KEV Intelligence marks this CVE as exploited

Third-party attestation and first-party sensor observation are shown separately so teams can judge the evidence chain.

Exploited in the wild

CISA

Recorded 03 Nov 2021

Independent exploitation attestation added to the KEV Intelligence record.

Known exploited vulnerability sources

Per-source evidence links for KEV attestations are available through the KEV Intelligence Pro API.

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Source	Added
CISA First	2021-11-03 00:00 UTC

Detection

Operational artifacts and observed signals

Make the evidence actionable in scanner, SOC, and edge-control workflows.

Observed signals

Request targets: 0
User-Agents: 0

Raw values available in Pro and Enterprise.

Scanner coverage

No scanner integrations recorded yet.

Virtual patch status

No KEV Intelligence virtual patch is currently available. Future rules ship for ModSecurity, Cloudflare, and AWS WAF.

Learn about virtual patches →

No detection artifacts or sensor request patterns are available for this CVE yet.

Check back as sensor telemetry and scanner integrations are updated.

Risk and context

Severity, weaknesses, and research context

CVSS v3.1

7.5 High

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

EPSS

30.0%

Weaknesses

Out-of-bounds Write CWE-787

All CVSS Scores

CVSS v3.1 7.5 High

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

CVSS v2.0 7.6 High

AV:N/AC:H/Au:N/C:C/I:C/A:C

Timeline

From disclosure to observed exploitation

03 Nov 2021
Added to CISA KEV

Listed in the CISA Known Exploited Vulnerabilities catalog
15 Apr 2020
CVE published

Vulnerability disclosed publicly
04 Nov 2019
CVE ID reserved

Identifier reserved by the CNA

Pro API

Automate this intelligence

Confidence, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.

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Evidence confidence and provenance
First-party sensor telemetry
PoC and scanner references
Affected versions and enrichment
Automation-ready JSON delivery

GET /api/v2/pro/kevs/CVE-2020-0968

Free JSON includes basic KEV fields

{
  "cve_id": "CVE-2020-0968",
  "confidence": "Confirmed",
  "cvss_score": 7.5,
  "cvss_estimated": false,
  "epss_score": 0.30018,
  "exploit_status": {
    "exploited_in_the_wild": true,
    "active_exploitation_observed": false
  },
  "sensor_telemetry": { "attempts": 0, "sensors": 0 }
}

CVE-2020-0968