CVE-2016-3367 in the critical feed json
StringBuilder in Microsoft Silverlight 5 before 5.1.50709.0 does not properly allocate memory for string-insert and string-append operation…
published 2016-09-14 10 y ago modified 2026-06-17 4 mo ago also EUVD-2016-4398
- cvss
- 8.8
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 17.8%
- EPSS 17.8% chance of exploitation in 30 days, percentile 97%
- public exploits
- 0
- none known
Summary
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 Silverlight Memory Corruption Vulnerability."
Exploit prediction
17.79% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 8.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 9.3 | AV:N/AC:M/Au:N/C:C/I:C/A:C |
Classification
- Weakness
-
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
References
-
docs.microsoft.com
/en-us/security-updates/securitybulletins/2016/ms16-109
vendor-advisory
-
securitytracker.com
/id/1036795
vdb-entry
-
securityfocus.com
/bid/92837
vdb-entry
Sources
- CVE List CVE-2016-3367
- NVD CVE-2016-3367
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.