Vulnerability in Microsoft Chakracore
CVE-2020-0878
<p>A remote code execution vulnerability exists in the way that Microsoft browsers access objects in memory. The vulnerability could corrupt memory in a way that could allow an attacker to execute arbitrary code in the context of the curre…
EPSS: 0.053 (90.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.2 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N/E:P/RL:O/RC:C.
Affected products
- Microsoft Chakracore — versions 0
- Microsoft Internet Explorer 11 — versions 1.0.0
- Microsoft Internet Explorer 9 — versions 1.0.0
- Microsoft Edge (Edgehtml-based) — versions 1.0..0
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply updates per vendor instructions.
Known ransomware campaign use: yes.
Public proof-of-concept exploits
References
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0878 (x_refsource_MISC)
Frequently asked questions
- What is CVE-2020-0878?
- CVE-2020-0878 is a medium-severity vulnerability in Microsoft Chakracore. CVSS score: 4.2/10. Published 2020-09-11.
- How severe is CVE-2020-0878?
- Medium severity. CVSS v3 base score is 4.2 out of 10.
- Is CVE-2020-0878 known to be exploited?
- Yes. CVE-2020-0878 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2021-11-03), indicating it is being actively exploited. 5 public proof-of-concept repositories are indexed.