Buffer overflow in Microsoft Edge
CVE-2019-0940
A remote code execution vulnerability exists in the way that Microsoft browsers access objects in memory, aka 'Microsoft Browser Memory Corruption Vulnerability'.
Vulnerability class: Buffer Overflow
EPSS: 0.231 (97.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Microsoft Edge
- Microsoft Internet_explorer — versions 10, 11
- Microsoft Internet Explorer 10 — versions Windows Server 2012
- Microsoft Internet Explorer 11 — versions Windows 7 for 32-bit Systems Service Pack 1, Windows 7 for x64-based Systems Service Pack 1, Windows Server 2008 R2 for x64-based Systems Service Pack 1
- Microsoft Internet Explorer 11 On Windows 10 Version 1903 For 32-bit Systems — versions unspecified
- Microsoft Internet Explorer 11 On Windows 10 Version 1903 For Arm64-based Systems — versions unspecified
- Microsoft Internet Explorer 11 On Windows 10 Version 1903 For X64-based Systems — versions unspecified
- Microsoft Internet Explorer 11 On Windows Server 2012 — versions unspecified
- Microsoft Edge — versions Windows 10 for 32-bit Systems, Windows 10 for x64-based Systems, Windows Server 2016
- Microsoft Edge On Windows 10 Version 1903 For 32-bit Systems — versions unspecified
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secure@microsoft.com (Patch, x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2019-0940?
- CVE-2019-0940 is a high-severity vulnerability in Microsoft Edge, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2019-05-16.
- How severe is CVE-2019-0940?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2019-0940 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.