Cyber Resilience

CVE-2019-0752

Memory Safety in Microsoft Internet Explorer 10 … 11

CISA KEVActive ExploitationEUVD ExploitedPublic PoCRansomware-linkedMemory Safety
Published
09 April 2019
Modified
12 August 2026
KEV Added
15 February 2022
Patch / advisory
View advisory
CVSS Score v3.1 7.5
Click a component to see what it means
Raw vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS Score 0.82 99.6th percentile
Risk Priority 82 floored blend · peak EPSS

Summary

CVE-2019-0752 is a high-severity Type Confusion (CWE-843) vulnerability in Microsoft Windows 10 1709. Its CVSS base score is 7.5 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploitation for Privilege Escalation (T1068); ranked in the top 0.4% of CVEs by exploit likelihood; CISA has added it to the Known Exploited Vulnerabilities catalog; a public proof-of-concept is referenced.

Deeper analysis AI-assisted summary

Synthesised by an AI model from the NVD description and linked references — a reading aid, not an authoritative source.

A remote code execution vulnerability tracked as CVE-2019-0752 exists in the scripting engine of Internet Explorer due to improper handling of objects in memory, resulting in memory corruption. The issue is classified under CWE-843 and carries a CVSS 3.1 score of 7.5 reflecting network attack vector, high complexity, no required privileges, and required user interaction.

An unauthenticated remote attacker can trigger the flaw by causing a victim to visit a malicious web page in Internet Explorer, achieving arbitrary code execution that impacts confidentiality, integrity, and availability on the affected system. The vulnerability is distinct from several related scripting engine issues disclosed around the same time.

Microsoft has published guidance for CVE-2019-0752 through its security advisory portal, and additional technical details are available from the Zero Day Initiative. Public exploit code referencing affected builds such as Windows 10 1809 version 17763.316 has also been posted to Packet Storm.

EU & UK References

Vulnerability Data

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-2019-0739, CVE-2019-0753, CVE-2019-0862.

CWE(s)
CWE-843
KEV Date Added
15 February 2022

Related Threats

MITRE ATT&CK Enterprise Techniques

T1068 Exploitation for Privilege Escalation Privilege Escalation
Adversaries may exploit software vulnerabilities in an attempt to elevate privileges.
attack.mitre.org →
T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
attack.mitre.org →
T1203 Exploitation for Client Execution Execution
Adversaries may exploit software vulnerabilities in client applications to execute code.
attack.mitre.org →
T1210 Exploitation of Remote Services Lateral Movement
Adversaries may exploit remote services to gain unauthorized access to internal systems once inside of a network.
attack.mitre.org →
T1212 Exploitation for Credential Access Credential Access
Adversaries may exploit software vulnerabilities in an attempt to collect credentials.
attack.mitre.org →
Derived from this CVE’s CWE(s) via the direct CWE→ATT&CK cross-walk.

CVEs Like This One

CVE-2022-41033Same product: Microsoft Windows 10 1507both on KEV
CVE-2017-0037Same product: Microsoft Internet Explorerboth on KEV
CVE-2018-8653Same product: Microsoft Internet Explorerboth on KEV
CVE-2025-30397Same product: Microsoft Windows 10 1507both on KEV
CVE-2020-0674Same product: Microsoft Internet Explorerboth on KEV
CVE-2024-38178Same product: Microsoft Windows 10 1507both on KEV
CVE-2019-1367Same product: Microsoft Internet Explorerboth on KEV
CVE-2019-1429Same product: Microsoft Internet Explorerboth on KEV
CVE-2018-8373Same product: Microsoft Internet Explorerboth on KEV
CVE-2016-7201Same product: Microsoft Windows 10 1507both on KEV

Affected Assets

microsoft
internet explorer
10, 11

Mitigating Controls

Control response

Prevent
Stop it (NIST 800-53)

—

Detect
Catch it (NIST detect / respond)

—

Harden
Shrink the surface (DISA STIG)

—

Validate
Prove the fix (OWASP ASVS)
  • V1.5.2
  • V3.2.3
  • V15.3.5

Mitigating Controls (NIST CSF 2.0) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.

PR.PS-06 mostly match
prevents

Secure SDLC practices directly prevent type-confusion flaws via safe typing, static analysis, and code review while the control itself addresses many additional weaknesses.

Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.

A.8.29 Security testing in development and acceptance mostly match
finds

Security testing in development can detect type-confusion vulnerabilities through fuzzing and static analysis.

A.8.25 Secure development life cycle partial match
prevents

Secure SDLC mandates type-safe design and review that can catch type-confusion flaws.

A.8.26 Application security requirements partial match
prevents

Application security requirements can specify strong typing and interface contracts that reduce type confusion.

A.8.27 Secure system architecture and engineering principles partial match
prevents

Secure architecture principles promote type-safe languages and memory-safety mechanisms that mitigate type confusion.

A.8.28 Secure coding partial match
prevents

Secure coding standards directly forbid unsafe type casts and require static-analysis checks for type confusion.

References