How severe is CVE-2026-81376?

CVE-2026-81376 has a CVSS 3.x base score of 9.6, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-81376 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-81376?

CVE-2026-81376 affects Microsoft Visual Studio Code. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-81376?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2026-81376 published?

CVE-2026-81376 was published on 2026-09-08 and last updated on 2026-09-11.

CVE-2026-81376

CVE-2026-81376 is a critical-severity vulnerability in Microsoft Visual Studio Code with a CVSS 3.x base score of 9.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-693.

Key facts

Severity: Critical (CVSS 3.x base score 9.6)
EPSS exploit prediction: 1% (56th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-693
Affected product: Microsoft Visual Studio Code
Published: 2026-09-08
Last modified: 2026-09-11

Description

Incomplete comparison with missing factors in Visual Studio Code allows an unauthorized attacker to bypass a security feature over a network.

Frequently asked questions

What is CVE-2026-81376?: Incomplete comparison with missing factors in Visual Studio Code allows an unauthorized attacker to bypass a security feature over a network.
How severe is CVE-2026-81376?: CVE-2026-81376 has a CVSS 3.x base score of 9.6, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-81376 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-81376?: CVE-2026-81376 affects Microsoft Visual Studio Code. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-81376?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2026-81376 published?: CVE-2026-81376 was published on 2026-09-08 and last updated on 2026-09-11.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-81376

Affected products (1)

cpe:2.3:a:microsoft:visual_studio_code:*:*:*:*:*:-:*:*

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