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CVE-2026-70245

Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability

Access of resource using incompatible type ('type confusion') in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
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CVE-2026-74989

Internally found bugs fixed in Firefox 154

Internally found bugs present in Firefox 153. Some of these bugs showed evidence of memory corruption or another security-relevant defect and we presume that with enough effort some of these could have been exploited. This vulnerability was fixed in Firefox 154 and Thunderbird 154.

CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
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CVE-2026-74988

Internally found bugs fixed in Firefox ESR 153.1 and Firefox 154

Internally found bugs present in Firefox ESR 153.0 and Firefox 153. Some of these bugs showed evidence of memory corruption or another security-relevant defect and we presume that with enough effort some of these could have been exploited. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.

CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
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CVE-2026-74990

Internally found bugs fixed in Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1 and Firefox 154

Internally found bugs present in Firefox ESR 115.38, Firefox ESR 140.13, Firefox ESR 153.0 and Firefox 153. Some of these bugs showed evidence of memory corruption or another security-relevant defect and we presume that with enough effort some of these could have been exploited. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.

CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
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CVE-2026-74987

Internally found bugs fixed in Firefox ESR 140.14, Firefox ESR 153.1 and Firefox 154

Internally found bugs present in Firefox ESR 140.13, Firefox ESR 153.0 and Firefox 153. Some of these bugs showed evidence of memory corruption or another security-relevant defect and we presume that with enough effort some of these could have been exploited. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.

CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
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CVE-2026-74949

Use-after-free in the Graphics: Canvas2D component

Use-after-free in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
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CVE-2026-74946

Information disclosure due to incorrect boundary conditions in the Graphics: CanvasWebGL component

Information disclosure due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
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Products
CVE-2026-70055

Windows Cryptographic Services Information Disclosure Vulnerability

Exposure of sensitive system information to an unauthorized control sphere in Windows Cryptographic Services allows an authorized attacker to disclose information locally.

CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
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CVE-2026-70057

Windows Routing and Remote Access Service (RRAS) Security Feature Bypass Vulnerability

Incorrect authorization in Windows Routing and Remote Access Service (RRAS) allows an authorized attacker to bypass a security feature locally.

CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
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