How severe is CVE-2026-69806?

CVE-2026-69806 has a CVSS 3.x base score of 7.0, rated high severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-69806 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-69806?

CVE-2026-69806 primarily affects Microsoft .net. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-69806?

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

When was CVE-2026-69806 published?

CVE-2026-69806 was published on 2026-09-08 and last updated on 2026-09-29.

CVE-2026-69806

CVE-2026-69806 is a high-severity vulnerability in Microsoft .net with a CVSS 3.x base score of 7.0. 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-94.

Key facts

Severity: High (CVSS 3.x base score 7.0)
EPSS exploit prediction: 1% (54th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Affected product: Microsoft .net
Published: 2026-09-08
Last modified: 2026-09-29

Description

Exposure of sensitive information to an unauthorized actor in .NET allows an authorized attacker to elevate privileges locally.

Frequently asked questions

What is CVE-2026-69806?: Exposure of sensitive information to an unauthorized actor in .NET allows an authorized attacker to elevate privileges locally.
How severe is CVE-2026-69806?: CVE-2026-69806 has a CVSS 3.x base score of 7.0, rated high severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-69806 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-69806?: CVE-2026-69806 primarily affects Microsoft .net. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-69806?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2026-69806 published?: CVE-2026-69806 was published on 2026-09-08 and last updated on 2026-09-29.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69806

Affected products (9)

cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net:11.0.0:preview1:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net:11.0.0:preview2:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net:11.0.0:preview3:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net:11.0.0:preview4:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net:11.0.0:preview5:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net:11.0.0:preview7:*:*:*:*:*:*
cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:visual_studio_2026:*:*:*:*:*:*:*:*

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