CVE-2016-3259
The Microsoft (1) JScript 9, (2) VBScript, and (3) Chakra JavaScript engines, as used in Microsoft Internet Explorer 9 through 11, Microsoft Edge, and other products, allow remote attackers to execute arbitrary code or cause a denial of service (memory…
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 36.4%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.
Description
The Microsoft (1) JScript 9, (2) VBScript, and (3) Chakra JavaScript engines, as used in Microsoft Internet Explorer 9 through 11, Microsoft Edge, and other products, allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "Scripting Engine Memory Corruption Vulnerability," a different vulnerability than CVE-2016-3248.
- CVSS 3.0
- 8.8 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 36.36% probability · 98th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- microsoft/edge · microsoft/internet explorer
- Source
- secure@microsoft.com
EPSS moved from 31.2% on 21 September 2026 to 36.4% on 4 November 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
References
- http://www.securityfocus.com/bid/91581
- http://www.securitytracker.com/id/1036283
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-084
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-085
- http://www.securityfocus.com/bid/91581
- http://www.securitytracker.com/id/1036283
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-084
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-085
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.