Internet Explorer
CVE-2025-21326 — Internet Explorer Remote Code Execution Vulnerability
Executive Summary
None
Overview
7.8
CVSS HIGH
Important
MS Severity
Not Exploited
MS Exploit Status
Less Likely
MS Exploit Likelihood
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
ATTACK VECTOR
Local
ATTACK COMPLEXITY
Low
PRIVILEGES REQUIRED
None
USER INTERACTION
Required
SCOPE
Unchanged
CONFIDENTIALITY
High
INTEGRITY
High
AVAILABILITY
High
EXPLOIT CODE MATURITY
Unproven
REMEDIATION LEVEL
Official Fix
REPORT CONFIDENCE
Confirmed
Temporal Score: 6.8
EPSS Score
0.0129
probability of exploitation in the next 30 days
0.66466 percentile - updated 2026-06-21
View on FIRST.org
Affected Products
3 affected products
| Product | KB Article | Severity | Impact | Restart Required |
|---|---|---|---|---|
| Windows Server 2022, 23H2 Edition (Server Core installation) | 5049984 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows Server 2025 | 5050009 (Security Update) |
Important | Remote Code Execution | Yes |
| Windows Server 2025 (Server Core installation) | 5050009 (Security Update) |
Important | Remote Code Execution | Yes |
Patches
2 patches
| Article | Type | Restart |
|---|---|---|
5049984 |
Security Update | Yes |
5050009 |
Security Update | Yes |
Known Exploits
No known exploits have been linked for this CVE yet. When available, exploit references will be sourced from public repositories and may be unverified, incomplete, or non-functional. Always review code carefully before use in any environment.
Acknowledgments
References
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