Microsoft Internet Explorer and Edge known exploited vulnerabilities
We track 3 CVEs in Microsoft Internet Explorer and Edge. All of them are on CISA's Known Exploited Vulnerabilities catalog, meaning CISA has evidence of exploitation in the wild (listed 2021–2022). CISA flags 2 of them as used in ransomware campaigns. The most recent is CVE-2016-3351, added to KEV on .
Also listed as: Edge and Internet Explorer. CISA, NVD and vendor advisories name the same product differently; each CVE page keeps the wording from its source.
- CVEs tracked
- 3
- On CISA KEV
- 3
- Ransomware use
- 2
- Rated critical
- 0
Every Microsoft Internet Explorer and Edge CVE we track
| CVE / Vulnerability | Severity | CVSS | EPSS | Added to KEV | Patch by |
|---|---|---|---|---|---|
| CVE-2016-3351 Microsoft Internet Explorer and Edge Information Disclosure Vulnerabilityransomware use | [ MEDIUM ] | 6.5 | 26.5% | ||
| CVE-2017-0037 Microsoft Edge and Internet Explorer Type Confusion Vulnerability | [ HIGH ] | 8.1 | 80.4% | ||
| CVE-2020-0878 Microsoft Edge and Internet Explorer Memory Corruption Vulnerabilityransomware use | [ MEDIUM ] | 4.2 | 2.7% |
Sorted by date added to KEV. Severity and CVSS as stated by NVD or the vendor; EPSS from FIRST.org. "Patch by" is CISA's BOD 22-01 deadline for US federal agencies, a useful priority signal for everyone else. Machine-readable: /api/v1/vendors/microsoft.json.
Other Microsoft products
Every row links to its CVE record with the CISA required action, catalog coverage and primary sources. We describe impact and remediation only; no exploit code. See the full KEV tracker or compare KEV catalogs.