CVE-2020-0968: Microsoft Internet Explorer Scripting Engine Memory Corruption Vulnerability
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
Microsoft Internet Explorer contains a memory corruption vulnerability due to how the Scripting Engine handles objects in memory, leading to remote code execution.
CSIRTS triage
- What
- The vulnerability is due to memory corruption in the Scripting Engine.
- Who is affected
- Users of Microsoft Internet Explorer are affected.
- Urgency
- Immediate action is necessary as this vulnerability allows remote code execution.
- Action
- Update Internet Explorer to the latest version.
AI-assisted analysis generated from the source advisory — verify against the original.
⚡ Watch Internet Explorer
Get an email when a new Internet Explorer advisory drops — max one per day, one-click unsubscribe.
Details
Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2020-0968
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Exploitation confirmedCVE-2020-0968Already exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 98% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2020-0968 | coverage & exploitation status | NVD · CVE.org |
Recent advisories for Microsoft Internet Explorer
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- criticalexploitedCVE-2010-0806: Microsoft Internet Explorer Use-After-Free Vulnerabilitycisa-kev · 2026-05-20
- criticalexploitedCVE-2010-0249: Microsoft Internet Explorer Use-After-Free Vulnerabilitycisa-kev · 2026-05-20
- criticalexploitedCVE-2010-3962: Microsoft Internet Explorer Uninitialized Memory Corruption Vulnerabilitycisa-kev · 2025-10-06
- criticalexploitedCVE-2013-3893: Microsoft Internet Explorer Resource Management Errors Vulnerabilitycisa-kev · 2025-08-12
- criticalexploitedCVE-2012-4792: Microsoft Internet Explorer Use-After-Free Vulnerabilitycisa-kev · 2024-07-23
- criticalexploitedCVE-2013-3163: Microsoft Internet Explorer Memory Corruption Vulnerabilitycisa-kev · 2023-03-30
More from CISA Known Exploited Vulnerabilities
- criticalCVE-2026-48939: iCagenda Unrestricted Upload of File with Dangerous Type Vulnerability2026-07-10
- criticalCVE-2026-56291: Balbooa Forms Unrestricted Upload of File with Dangerous Type Vulnerability2026-07-10
- criticalCVE-2026-48908: JoomShaper SP Page Builder Unrestricted Upload of File with Dangerous Type Vulnerability2026-07-07
- criticalCVE-2026-55255: Langflow Authorization Bypass Through User-Controlled Key Vulnerability2026-07-07
- criticalCVE-2026-48282: Adobe ColdFusion Path Traversal Vulnerability2026-07-07