CVE-2026-88077: microsoft edge_chromium

CVSS 8.8 (high) · published 2026-10-29

Integer overflow or wraparound in Microsoft Edge (Chromium-based) allows an unauthorized attacker to elevate privileges over a network.

Affected products (NVD): microsoft edge_chromium

Fixed in (NVD): 154.0.4258.62

Weakness: CWE-190

Source: NVD CVE-2026-88077

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-88077

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