CVE-2026-68820

Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability

Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

CVSS 3.1 · 7 High EPSS 8.6% KEV · Listed

Vendors

Microsoft

Products

Windows 10 1607 Windows 10 1809 Windows 10 21h2 and 23 more

CVE-2026-125255

FFmpeg through 9.0.2 Use-After-Free in MJPEG Hardware-Accelerated Decoding

FFmpeg through 9.0.2 contains a use after free vulnerability in libavcodec/mjpegdec.c that allows attackers to trigger freed buffer reads by sending a SOF marker without a preceding SOI. Attackers can supply crafted MJPEG streams causing ff_mjpeg_decode_sof() to pass a stale raw_image_buffer pointer to hwaccel decoders like NVDEC, crashing applications or leaking heap contents.

CVSS 4.0 · 5.8 Medium EPSS < 1% KEV · Not listed

Vendors

Ffmpeg

Products

Ffmpeg

CVE-2026-85893

Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability

Use after free in Microsoft Edge (Chromium-based) allows an unauthorized attacker to elevate privileges over a network.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

Edge Chromium

CVE-2026-69576

Graphic Fonts Elevation of Privilege Vulnerability

Use after free in Graphic Fonts allows an authorized attacker to elevate privileges locally.

CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed

Vendors

Microsoft

Products

Office Office 365 Office Macos 2021 and 27 more

CVE-2026-124948

Incorrect boundary conditions, use-after-free in the Graphics component

Incorrect boundary conditions, use-after-free in the Graphics component. This vulnerability was fixed in Firefox 160, Firefox ESR 153.7, Thunderbird 160, and Thunderbird 153.7.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed

Vendors

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Products

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CVE-2026-124932

Use-after-free in the Graphics component

Use-after-free in the Graphics component. This vulnerability was fixed in Firefox 160, Firefox ESR 153.7, Thunderbird 160, and Thunderbird 153.7.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed

Vendors

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Products

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CVE-2026-124922

Use-after-free in the CSS Transitions and Animations component

Use-after-free in the CSS Transitions and Animations component. This vulnerability was fixed in Firefox 160, Firefox ESR 153.7, Thunderbird 160, and Thunderbird 153.7.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed

Vendors

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Products

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CVE-2026-124919

Privilege escalation due to use-after-free in the WebRTC: Networking component

Privilege escalation due to use-after-free in the WebRTC: Networking component. This vulnerability was fixed in Firefox 160, Firefox ESR 153.7, Thunderbird 160, and Thunderbird 153.7.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed

Vendors

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Products

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CVE-2026-124907

Privilege escalation, sandbox escape due to use-after-free in the Graphics: CanvasWebGL component

Privilege escalation, sandbox escape due to use-after-free in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 160, Firefox ESR 153.7, Thunderbird 160, and Thunderbird 153.7.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed

Vendors

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Products

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CVE-2026-124906

Use-after-free in the Graphics: WebRender component

Use-after-free in the Graphics: WebRender component. This vulnerability was fixed in Firefox 160, Firefox ESR 153.7, Thunderbird 160, and Thunderbird 153.7.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed

Vendors

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Products

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CVE-2026-124903

Sandbox escape due to use-after-free in the IPC component

Sandbox escape due to use-after-free in the IPC component. This vulnerability was fixed in Firefox 160, Firefox ESR 115.45, Firefox ESR 153.7, Thunderbird 160, and Thunderbird 153.7.

CVSS 3.1 · 9.6 Critical EPSS < 1% KEV · Not listed

Vendors

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Products

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CVE-2026-124899

Use-after-free in the Layout: Text and Fonts component

Use-after-free in the Layout: Text and Fonts component. This vulnerability was fixed in Firefox 160, Firefox ESR 115.45, Firefox ESR 153.7, Thunderbird 160, and Thunderbird 153.7.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed

Vendors

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Products

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CVE-2026-124898

Use-after-free in the DOM: Editor component

Use-after-free in the DOM: Editor component. This vulnerability was fixed in Firefox 160, Firefox ESR 115.45, Firefox ESR 153.7, Thunderbird 160, and Thunderbird 153.7.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed

Vendors

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Products

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CVE-2026-124897

Use-after-free in the JavaScript: GC component

Use-after-free in the JavaScript: GC component. This vulnerability was fixed in Firefox 160, Firefox ESR 153.7, Thunderbird 160, and Thunderbird 153.7.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed

Vendors

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Products

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CVE-2026-124895

Use-after-free in the Storage: localStorage & sessionStorage component

Use-after-free in the Storage: localStorage & sessionStorage component. This vulnerability was fixed in Firefox 160, Firefox ESR 115.45, Firefox ESR 153.7, Thunderbird 160, and Thunderbird 153.7.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed

Vendors

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Products

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CVE-2026-124894

Use-after-free in the Networking: Cookies component

Use-after-free in the Networking: Cookies component. This vulnerability was fixed in Firefox 160, Firefox ESR 153.7, Thunderbird 160, and Thunderbird 153.7.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed

Vendors

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Products

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CVE-2026-124893

Use-after-free in the DOM: Workers component

Use-after-free in the DOM: Workers component. This vulnerability was fixed in Firefox 160, Firefox ESR 153.7, Thunderbird 160, and Thunderbird 153.7.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed

Vendors

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Products

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CVE-2026-124892

Use-after-free in the JavaScript: GC component

Use-after-free in the JavaScript: GC component. This vulnerability was fixed in Firefox 160, Firefox ESR 153.7, Thunderbird 160, and Thunderbird 153.7.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed

Vendors

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Products

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CVE-2026-124890

Use-after-free in the DOM: Core & HTML component

Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 160, Firefox ESR 115.45, Firefox ESR 153.7, Thunderbird 160, and Thunderbird 153.7.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed

Vendors

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Products

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CVE-2026-124889

Use-after-free in the CSS Parsing and Computation component

Use-after-free in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox 160, Firefox ESR 153.7, Thunderbird 160, and Thunderbird 153.7.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed

Vendors

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Products

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