High (8.8) in Microsoft Internet Explorer. In CISA KEV since 2022-03-03. EPSS 78% chance of exploitation in the next 30 days.
Microsoft Internet Explorer 8 does not properly handle objects in memory, which allows remote attackers to execute arbitrary code by accessing an object that (1) was not properly allocated or (2) is deleted, as exploited in the wild in May 2013.
Severity
CVSS 3.1
8.8 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
78% chance of exploitation in the next 30 days; higher than 99% of CVEs (scores of 2026-10-31)