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Microsoft security briefs

3323 published alerts for Microsoft products and services.

Microsoft MSRC

CVE-2026-78951

Use after free in ServiceWorker in Microsoft Edge vulnerability

Use after free in ServiceWorker in Microsoft Edge vulnerability (CVE-2026-78951) was added to Microsoft’s security update guidance. This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see [Google Chrome Releases](https://chromereleases.googleblog.com/2026) for more information. If you need help checking exposure, call (864) 335-9223.

Microsoft MSRC

CVE-2026-78950

Integer overflow in WebRTC in Microsoft Edge vulnerability

Integer overflow in WebRTC in Microsoft Edge vulnerability (CVE-2026-78950) was added to Microsoft’s security update guidance. This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see [Google Chrome Releases](https://chromereleases.googleblog.com/2026) for more information. If you need help checking exposure, call (864) 335-9223.

Microsoft MSRC

CVE-2026-78948

Buffer overflow in WebGL in Microsoft Edge vulnerability

Buffer overflow in WebGL in Microsoft Edge vulnerability (CVE-2026-78948) was added to Microsoft’s security update guidance. This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see [Google Chrome Releases](https://chromereleases.googleblog.com/2026) for more information. If you need help checking exposure, call (864) 335-9223.

Microsoft MSRC

CVE-2026-78947

Incomplete cleanup in Chromium in Microsoft Edge vulnerability

Incomplete cleanup in Chromium in Microsoft Edge vulnerability (CVE-2026-78947) was added to Microsoft’s security update guidance. This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see [Google Chrome Releases](https://chromereleases.googleblog.com/2026) for more information. If you need help checking exposure, call (864) 335-9223.

Microsoft MSRC

CVE-2026-78946

Incorrect authorization in Select in Microsoft Edge vulnerability

Incorrect authorization in Select in Microsoft Edge vulnerability (CVE-2026-78946) was added to Microsoft’s security update guidance. This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see [Google Chrome Releases](https://chromereleases.googleblog.com/2026) for more information. If you need help checking exposure, call (864) 335-9223.

Microsoft MSRC

CVE-2026-78945

Use after free in Views in Microsoft Edge vulnerability

Use after free in Views in Microsoft Edge vulnerability (CVE-2026-78945) was added to Microsoft’s security update guidance. This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see [Google Chrome Releases](https://chromereleases.googleblog.com/2026) for more information. If you need help checking exposure, call (864) 335-9223.

Microsoft MSRC

CVE-2026-78944

Use after free in DevTools in Microsoft Edge vulnerability

Use after free in DevTools in Microsoft Edge vulnerability (CVE-2026-78944) was added to Microsoft’s security update guidance. This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see [Google Chrome Releases](https://chromereleases.googleblog.com/2026) for more information. If you need help checking exposure, call (864) 335-9223.

Microsoft MSRC

CVE-2026-78943

Improper input validation in Editing in Microsoft Edge vulnerability

Improper input validation in Editing in Microsoft Edge vulnerability (CVE-2026-78943) was added to Microsoft’s security update guidance. This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see [Google Chrome Releases](https://chromereleases.googleblog.com/2026) for more information. If you need help checking exposure, call (864) 335-9223.

Microsoft MSRC

CVE-2026-78942

Incorrect reference resolution in Loader in Microsoft Edge vulnerability

Incorrect reference resolution in Loader in Microsoft Edge vulnerability (CVE-2026-78942) was added to Microsoft’s security update guidance. This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see [Google Chrome Releases](https://chromereleases.googleblog.com/2026) for more information. If you need help checking exposure, call (864) 335-9223.

Microsoft MSRC

CVE-2026-78941

Information leak in Core in Microsoft Edge vulnerability

Information leak in Core in Microsoft Edge vulnerability (CVE-2026-78941) was added to Microsoft’s security update guidance. This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see [Google Chrome Releases](https://chromereleases.googleblog.com/2026) for more information. If you need help checking exposure, call (864) 335-9223.

Microsoft MSRC

CVE-2026-78940

Improper initialization in Network in Microsoft Edge vulnerability

Improper initialization in Network in Microsoft Edge vulnerability (CVE-2026-78940) was added to Microsoft’s security update guidance. This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see [Google Chrome Releases](https://chromereleases.googleblog.com/2026) for more information. If you need help checking exposure, call (864) 335-9223.

Microsoft MSRC

CVE-2026-78939

Use after free in Chromecast in Microsoft Edge vulnerability

Use after free in Chromecast in Microsoft Edge vulnerability (CVE-2026-78939) was added to Microsoft’s security update guidance. This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see [Google Chrome Releases](https://chromereleases.googleblog.com/2026) for more information. If you need help checking exposure, call (864) 335-9223.

Microsoft MSRC

CVE-2026-78938

Type confusion in V8 in Microsoft Edge vulnerability

Type confusion in V8 in Microsoft Edge vulnerability (CVE-2026-78938) was added to Microsoft’s security update guidance. This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see [Google Chrome Releases](https://chromereleases.googleblog.com/2026) for more information. If you need help checking exposure, call (864) 335-9223.

Microsoft MSRC

CVE-2026-78934

Race condition in ReadAloud in Microsoft Edge vulnerability

Race condition in ReadAloud in Microsoft Edge vulnerability (CVE-2026-78934) was added to Microsoft’s security update guidance. This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see [Google Chrome Releases](https://chromereleases.googleblog.com/2026) for more information. If you need help checking exposure, call (864) 335-9223.

Microsoft MSRC

CVE-2026-78915

Race condition in Enterprise in Microsoft Edge vulnerability

Race condition in Enterprise in Microsoft Edge vulnerability (CVE-2026-78915) was added to Microsoft’s security update guidance. This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see [Google Chrome Releases](https://chromereleases.googleblog.com/2026) for more information. If you need help checking exposure, call (864) 335-9223.

Microsoft MSRC

CVE-2026-78914

Uninitialized resource in Skia in Microsoft Edge vulnerability

Uninitialized resource in Skia in Microsoft Edge vulnerability (CVE-2026-78914) was added to Microsoft’s security update guidance. This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see [Google Chrome Releases](https://chromereleases.googleblog.com/2026) for more information. If you need help checking exposure, call (864) 335-9223.

Microsoft MSRC

CVE-2026-78913

Use after free in Chromoting in Microsoft Edge vulnerability

Use after free in Chromoting in Microsoft Edge vulnerability (CVE-2026-78913) was added to Microsoft’s security update guidance. This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see [Google Chrome Releases](https://chromereleases.googleblog.com/2026) for more information. If you need help checking exposure, call (864) 335-9223.

Microsoft MSRC

CVE-2026-78912

UI misrepresentation in Browser in Microsoft Edge vulnerability

UI misrepresentation in Browser in Microsoft Edge vulnerability (CVE-2026-78912) was added to Microsoft’s security update guidance. This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see [Google Chrome Releases](https://chromereleases.googleblog.com/2026) for more information. If you need help checking exposure, call (864) 335-9223.

Microsoft MSRC

CVE-2026-78911

Incorrect authorization in USB in Microsoft Edge vulnerability

Incorrect authorization in USB in Microsoft Edge vulnerability (CVE-2026-78911) was added to Microsoft’s security update guidance. This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see [Google Chrome Releases](https://chromereleases.googleblog.com/2026) for more information. If you need help checking exposure, call (864) 335-9223.

Microsoft MSRC

CVE-2026-78910

Buffer overflow in V8 in Microsoft Edge vulnerability

Buffer overflow in V8 in Microsoft Edge vulnerability (CVE-2026-78910) was added to Microsoft’s security update guidance. This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see [Google Chrome Releases](https://chromereleases.googleblog.com/2026) for more information. If you need help checking exposure, call (864) 335-9223.

Microsoft MSRC

CVE-2026-78909

Use after free in Views in Microsoft Edge vulnerability

Use after free in Views in Microsoft Edge vulnerability (CVE-2026-78909) was added to Microsoft’s security update guidance. This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see [Google Chrome Releases](https://chromereleases.googleblog.com/2026) for more information. If you need help checking exposure, call (864) 335-9223.

Microsoft MSRC

CVE-2026-78908

Information leak in Canvas in Microsoft Edge vulnerability

Information leak in Canvas in Microsoft Edge vulnerability (CVE-2026-78908) was added to Microsoft’s security update guidance. This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see [Google Chrome Releases](https://chromereleases.googleblog.com/2026) for more information. If you need help checking exposure, call (864) 335-9223.

Microsoft MSRC

CVE-2026-78907

Incorrect authorization in WebProtect in Microsoft Edge vulnerability

Incorrect authorization in WebProtect in Microsoft Edge vulnerability (CVE-2026-78907) was added to Microsoft’s security update guidance. This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see [Google Chrome Releases](https://chromereleases.googleblog.com/2026) for more information. If you need help checking exposure, call (864) 335-9223.

Microsoft MSRC

CVE-2026-78906

Race condition in ANGLE in Microsoft Edge vulnerability

Race condition in ANGLE in Microsoft Edge vulnerability (CVE-2026-78906) was added to Microsoft’s security update guidance. This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see [Google Chrome Releases](https://chromereleases.googleblog.com/2026) for more information. If you need help checking exposure, call (864) 335-9223.