CVE-2016-3291
Microsoft Internet Explorer 11 and Microsoft Edge mishandle cross-origin requests, which allows remote attackers to obtain sensitive information via a crafted web site, aka "Microsoft Browser Information Disclosure Vulnerability."
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 13.0%, higher than 96% of all known CVEs. Patch or mitigate before the next change window.
Description
Microsoft Internet Explorer 11 and Microsoft Edge mishandle cross-origin requests, which allows remote attackers to obtain sensitive information via a crafted web site, aka "Microsoft Browser Information Disclosure Vulnerability."
- CVSS 3.0
- 2.4 LOWCVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:N/A:N
- EPSS
- 13.03% probability · 96th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-200
- Affected
- microsoft/edge · microsoft/internet explorer
- Source
- secure@microsoft.com
EPSS moved from 14.8% on 21 September 2026 to 13.0% on 26 October 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/92834
- http://www.securitytracker.com/id/1036788
- http://www.securitytracker.com/id/1036789
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-104
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-105
- http://www.securityfocus.com/bid/92834
- http://www.securitytracker.com/id/1036788
- http://www.securitytracker.com/id/1036789
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-104
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-105
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.