CVE-2026-70343
High
Description
Heap-based buffer overflow in Microsoft MPEG-2 Video Extension allows an unauthorized attacker to execute code over a network.
SeverityHigh
CVSS8.8
Exploit probability—
Product
MPEG-2 Video Extension
PublishedOct 13, 2026
First seenOct 13, 2026
Weakness typeCWE-122CWE-122
How to fix
Update
- Microsoft MPEG-2 Video Extension1.2.32.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Microsoft MPEG-2 Video Extension | 1.0.0.0 ≤ v < 1.2.32.0 | 1.2.32.0 |
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