CVE-2026-88077

HIGHCVSS 8.8/10EPSS 0.64%

Last modified

CVE-2026-88077 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Integer overflow or wraparound in Microsoft Edge (Chromium-based) allows an unauthorized attacker to elevate privileges over a network.. EPSS estimates a 0.64% chance of exploitation in the next 30 days.

Description

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

Metrics

EPSS Probability
0.64%

50.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
MicrosoftMicrosoft Edge (Chromium-based)>= 1.0.0.0, < 154.0.4258.62

References

Timeline

Published
Last Modified
Status
Undergoing Analysis

Frequently Asked Questions

What is CVE-2026-88077?
Integer overflow or wraparound in Microsoft Edge (Chromium-based) allows an unauthorized attacker to elevate privileges over a network.
How severe is CVE-2026-88077?
CVE-2026-88077 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.64% probability of exploitation in the next 30 days.
How do I fix CVE-2026-88077?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

How Strix Helps

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Source: NVD / NIST