CVE-2026-88077
High
Description
Integer overflow or wraparound in Microsoft Edge (Chromium-based) allows an unauthorized attacker to elevate privileges over a network.
SeverityHigh
CVSS8.8
Exploit probability—
Product
Microsoft Edge Chromium
PublishedOct 29, 2026
First seenNov 4, 2026
Weakness typeCWE-190Integer overflow
How to fix
Update
- microsoft edge_chromium154.0.4258.62 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| microsoft edge_chromium | v < 154.0.4258.62 | 154.0.4258.62 |
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