Microsoft security briefs
3323 published alerts for Microsoft products and services.
Improper input validation in ReaderMode in Microsoft Edge vulnerability
Improper input validation in ReaderMode in Microsoft Edge vulnerability (CVE-2026-78980) 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.
Race condition in Core in Microsoft Edge vulnerability
Race condition in Core in Microsoft Edge vulnerability (CVE-2026-78979) 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.
Out of bounds read in ANGLE in Microsoft Edge vulnerability
Out of bounds read in ANGLE in Microsoft Edge vulnerability (CVE-2026-78978) 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.
Uninitialized resource in GPU in Microsoft Edge vulnerability
Uninitialized resource in GPU in Microsoft Edge vulnerability (CVE-2026-78977) 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.
Improper input validation in StorageAccessAPI in Microsoft Edge vulnerability
Improper input validation in StorageAccessAPI in Microsoft Edge vulnerability (CVE-2026-78976) 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.
Incorrect authorization in DOM in Microsoft Edge vulnerability
Incorrect authorization in DOM in Microsoft Edge vulnerability (CVE-2026-78975) 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.
UI misrepresentation in Linux Toolkit Theming in Microsoft Edge vulnerability
UI misrepresentation in Linux Toolkit Theming in Microsoft Edge vulnerability (CVE-2026-78974) 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.
Uninitialized resource in Video in Microsoft Edge vulnerability
Uninitialized resource in Video in Microsoft Edge vulnerability (CVE-2026-78969) 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.
Missing authorization in Core in Microsoft Edge vulnerability
Missing authorization in Core in Microsoft Edge vulnerability (CVE-2026-78968) 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.
Missing authorization in BFCache in Microsoft Edge vulnerability
Missing authorization in BFCache in Microsoft Edge vulnerability (CVE-2026-78967) 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.
Externally controlled reference in QUIC in Microsoft Edge vulnerability
Externally controlled reference in QUIC in Microsoft Edge vulnerability (CVE-2026-78966) 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.
Uninitialized resource in ANGLE in Microsoft Edge vulnerability
Uninitialized resource in ANGLE in Microsoft Edge vulnerability (CVE-2026-78965) 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.
Use after free in Sync in Microsoft Edge vulnerability
Use after free in Sync in Microsoft Edge vulnerability (CVE-2026-78964) 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.
Improper input validation in Media in Microsoft Edge vulnerability
Improper input validation in Media in Microsoft Edge vulnerability (CVE-2026-78963) 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.
Uninitialized resource in WebXR in Microsoft Edge vulnerability
Uninitialized resource in WebXR in Microsoft Edge vulnerability (CVE-2026-78962) 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.
Incorrect authorization in Core in Microsoft Edge vulnerability
Incorrect authorization in Core in Microsoft Edge vulnerability (CVE-2026-78961) 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.
Information leak in Extensions in Microsoft Edge vulnerability
Information leak in Extensions in Microsoft Edge vulnerability (CVE-2026-78960) 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.
Improper handling of case sensitivity in FileSystem in Microsoft Edge vulnerability
Improper handling of case sensitivity in FileSystem in Microsoft Edge vulnerability (CVE-2026-78959) 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.
Uninitialized resource in Skia in Microsoft Edge vulnerability
Uninitialized resource in Skia in Microsoft Edge vulnerability (CVE-2026-78958) 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.
Type confusion in V8 in Microsoft Edge vulnerability
Type confusion in V8 in Microsoft Edge vulnerability (CVE-2026-78956) 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.
Observable discrepancy in PerformanceAPIs in Microsoft Edge vulnerability
Observable discrepancy in PerformanceAPIs in Microsoft Edge vulnerability (CVE-2026-78955) 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.
Incorrect authorization in Extensions in Microsoft Edge vulnerability
Incorrect authorization in Extensions in Microsoft Edge vulnerability (CVE-2026-78954) 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.
Missing authorization in SiteIsolation in Microsoft Edge vulnerability
Missing authorization in SiteIsolation in Microsoft Edge vulnerability (CVE-2026-78953) 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.
Out of bounds write in Crashpad in Microsoft Edge vulnerability
Out of bounds write in Crashpad in Microsoft Edge vulnerability (CVE-2026-78952) 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.