SARA / Free Tools / KEV / CVE-2020-0878

CVE-2020-0878 on CISA KEV

<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 current user. An attacker who successful

CISA KEV — Actively Exploited

Microsoft Edge and Internet Explorer Memory Corruption Vulnerability

Vendor / Product
— / Microsoft / Edge and Internet Explorer
Added to KEV
2021-11-03
BOD 22-01 due
2022-05-03
Ransomware use
Known
CVSS / EPSS
4.2 MEDIUM · EPSS 5.27%

01What CISA says about this vulnerability

<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 current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user. If the current user is logged on with…

02Required action — verbatim from CISA

Apply updates per vendor instructions.

03Notes & references

04SARA's analyst layer — why this matters

This vulnerability is currently on the CISA KEV list, which CISA only adds CVEs to when there is reliable evidence of active exploitation in the wild. For federal civilian agencies, BOD 22-01 requires remediation by the due date above. For everyone else, KEV is the strongest "patch immediately" signal you can get from public threat intel.

05Affected products (summary)

VendorProductVersions
MicrosoftChakraCore0
MicrosoftMicrosoft Edge (EdgeHTMLbased) — 1.0..0
MicrosoftInternet Explorer 91.0.0
MicrosoftInternet Explorer 111.0.0

06Detection

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection:

Open in Sigma generator →

Programmatic KEV data?
SARA's API returns KEV, CVSS, EPSS + analyst summary in one call.
Read the API reference →