CVE-2026-70343: Microsoft MPEG-2 Video Extension Remote Code Execution Vulnerability
Published Oct 13, 2026
·Updated
Heap-based buffer overflow in Microsoft MPEG-2 Video Extension allows an unauthorized attacker to execute code over a network.
Other sources
Microsoft MPEG-2 Video Extension Remote Code Execution Vulnerability
— Microsoft
Affected Software
2 affected componentsFixes available
Microsoft MPEG-2 Video Extension<1.2.32.0
1.2.32.0
Microsoft MPEG-2 Video Extension
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 1.2.32.0
Event History
Oct 13, 2026
CVE Published
via Microsoft·02:00 PM
Data Sourced
via Microsoft·02:00 PM
DescriptionSeverityWeaknessAffected Software
CVE Published
via MITRE·07:01 PM
Data Sourced
via MITRE·07:01 PM
DescriptionSeverity
Frequently Asked Questions
1
What does an attacker need to exploit this issue?
The attack can be conducted over a network and does not require attacker privileges or authentication. However, exploitation requires user interaction.
2
What is the potential impact if exploitation succeeds?
Successful exploitation can allow remote code execution. The reported impact includes high potential effects on confidentiality, integrity, and availability.