PT-2021-2282 · Microsoft · Internet Explorer

Chi-Yu You + 1 · Published 2021-03-09 · Updated 2025-12-04 · CVE-2021-27085

Positive Technologies (AI Summary)

CVSS v2.0

9.0

High

Base vector

AV:N/AC:L/Au:S/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Microsoft Internet Explorer (affected versions not specified)

Description The issue is related to insufficient input validation in Internet Explorer, which can be exploited by a remote attacker to execute arbitrary code. This allows for remote code execution.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

Weakness Enumeration

CWE-20

Related Identifiers

BDU:2021-01365

CVE-2021-27085

Affected Products

Internet Explorer

References · 12

• https://bdu.fstec.ru/vul/2021-01365 · Security Note
• https://osv.dev/vulnerability/CVE-2021-27085 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-27085 · Vendor Advisory
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-27085 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-27085 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-27085 · Security Note
• https://cisa.gov/sites/default/files/csv/known_exploited_vulnerabilities.csv · Note
• https://cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-27085 · Note
• https://cisa.gov/known-exploited-vulnerabilities-catalog · Note
• https://t.me/cveNotify/141032 · Telegram Post
• https://cybersecurity-help.cz/vulnerabilities/51356 · Note
• https://t.me/cvenotify/113951 · Telegram Post