What is CVE-2021-28465?

CVE-2021-28465 is a high-severity vulnerability in Microsoft Web Media Extensions, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2021-05-11.

How severe is CVE-2021-28465?

High severity. CVSS v3 base score is 7.8 out of 10.

Buffer overflow in Microsoft Web Media Extensions

CVE-2021-28465

Web Media Extensions Remote Code Execution Vulnerability

Vulnerability class: Buffer Overflow

EPSS: 0.037 (88.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Microsoft Web Media Extensions — versions 1.0.0.0
Microsoft Web_media_extensions

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

secure@microsoft.com (Patch, x_refsource_MISC, Vendor Advisory)
secure@microsoft.com (Third Party Advisory, x_refsource_MISC)
secure@microsoft.com (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-28465?: CVE-2021-28465 is a high-severity vulnerability in Microsoft Web Media Extensions, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2021-05-11.
How severe is CVE-2021-28465?: High severity. CVSS v3 base score is 7.8 out of 10.