CVE-2018-8631
A remote code execution vulnerability exists when Internet Explorer improperly accesses objects in memory, aka "Internet Explorer Memory Corruption Vulnerability." This affects Internet Explorer 9, Internet Explorer 11, Internet Explorer 10.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 68.5%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.
Description
A remote code execution vulnerability exists when Internet Explorer improperly accesses objects in memory, aka "Internet Explorer Memory Corruption Vulnerability." This affects Internet Explorer 9, Internet Explorer 11, Internet Explorer 10.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 68.49% probability · 99th percentile
- Public exploits
- 1 in Exploit-DB · verified · first 18 December 2018
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- microsoft/internet explorer
- Source
- secure@microsoft.com
EPSS moved from 65.7% on 21 September 2026 to 68.5% on 27 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://www.securityfocus.com/bid/106118Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8631Patch, Vendor Advisory
- https://www.exploit-db.com/exploits/46001/Exploit, Third Party Advisory, VDB Entry
- http://www.securityfocus.com/bid/106118Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8631Patch, Vendor Advisory
- https://www.exploit-db.com/exploits/46001/Exploit, Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.