CVE-2026-96957

HIGH
Published Oct 13, 2026 Modified Oct 16, 2026 CWE-347

Description

Improper verification of cryptographic signature in .NET allows an unauthorized attacker to bypass a security feature over a network.

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CVSS v3.1 Score

8.8
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS — Exploit Prediction

0.0046
Probability of exploitation
0.38%
Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-347 CWE-347

Affected Products

Vendor Product
microsoft .net
microsoft .net
microsoft .net
microsoft .net
microsoft .net
microsoft .net
microsoft .net
microsoft .net
microsoft .net
apple macos
linux linux_kernel
microsoft windows
microsoft visual_studio_2022
microsoft visual_studio_2026

References

Frequently Asked Questions

What is CVE-2026-96957? +
Improper verification of cryptographic signature in .NET allows an unauthorized attacker to bypass a security feature over a network. It has a CVSS v3.1 base score of 8.8 (HIGH).
How severe is CVE-2026-96957? +
CVE-2026-96957 has a CVSS v3.1 score of 8.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0046, placing it in the 0th percentile for exploitation probability.
What products are affected by CVE-2026-96957? +
CVE-2026-96957 affects products from apple, linux, microsoft, specifically: .net, linux_kernel, macos, visual_studio_2022, visual_studio_2026, windows. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2026-96957? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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