What is CVE-2016-3367?

CVE-2016-3367 is a high-severity vulnerability in Microsoft Silverlight, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2016-09-14.

How severe is CVE-2016-3367?

High severity. CVSS v3 base score is 8.8 out of 10.

Buffer overflow in Microsoft Silverlight

CVE-2016-3367

StringBuilder in Microsoft Silverlight 5 before 5.1.50709.0 does not properly allocate memory for string-insert and string-append operations, which allows remote attackers to execute arbitrary code via a crafted web site, aka "Microsoft Si…

Vulnerability class: Buffer Overflow

EPSS: 0.197 (95.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Microsoft Silverlight — versions 5.0
N/a — versions n/a

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

MS16-109 (x_refsource_MS, vendor-advisory)
1036795 (vdb-entry, x_refsource_SECTRACK)
92837 (vdb-entry, x_refsource_BID)

Frequently asked questions

What is CVE-2016-3367?: CVE-2016-3367 is a high-severity vulnerability in Microsoft Silverlight, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2016-09-14.
How severe is CVE-2016-3367?: High severity. CVSS v3 base score is 8.8 out of 10.