Microsoft security updates
Microsoft Security Patch Roundup — Week of August 29, 2026
Official Microsoft Security Response Center updates published during the past week, collected for patch planning and review.
Published 29 August 2026 · RCW IT Training
Important: Review the linked Microsoft advisory, affected-product information and available mitigations before deployment. This roundup is an index of official notices, not a substitute for change testing or incident response guidance.
Official MSRC updates
- Chromium: CVE-2026-79251 Improper input validation in Network (28 Aug 2026)
- Chromium: CVE-2026-79250 UI misrepresentation in Navigation (28 Aug 2026)
- Chromium: CVE-2026-79249 Code injection in Bisection (28 Aug 2026)
- Chromium: CVE-2026-79248 Incorrect authorization in Input (28 Aug 2026)
- Chromium: CVE-2026-79247 Use after free in Chromoting (28 Aug 2026)
- Chromium: CVE-2026-79246 Information leak in DataTransfer (28 Aug 2026)
- Chromium: CVE-2026-79245 Use after free in UI (28 Aug 2026)
- Chromium: CVE-2026-79244 Use after free in Animation (28 Aug 2026)
- Chromium: CVE-2026-79243 Improper input validation in ReadingList (28 Aug 2026)
- Chromium: CVE-2026-79242 Observable discrepancy in HTML (28 Aug 2026)
- Chromium: CVE-2026-79240 Out of bounds write in ANGLE (28 Aug 2026)
- Chromium: CVE-2026-79239 Out of bounds read in Tint (28 Aug 2026)
- Chromium: CVE-2026-79238 Incorrect authorization in ServiceWorker (28 Aug 2026)
- Chromium: CVE-2026-79237 Incorrect authorization in Navigation (28 Aug 2026)
- Chromium: CVE-2026-79236 Type confusion in V8 (28 Aug 2026)
- Chromium: CVE-2026-79235 Use after free in WebGL (28 Aug 2026)
- Chromium: CVE-2026-79234 Injection in CSS (28 Aug 2026)
- Chromium: CVE-2026-79232 Use after free in Aura (28 Aug 2026)
- Chromium: CVE-2026-79231 Buffer overflow in Media (28 Aug 2026)
- Chromium: CVE-2026-79230 Improper input validation in ANGLE (28 Aug 2026)
- Chromium: CVE-2026-79229 Uninitialized resource in ANGLE (28 Aug 2026)
- Chromium: CVE-2026-79228 Incorrect authorization in SiteIsolation (28 Aug 2026)
- Chromium: CVE-2026-79227 Type confusion in DevTools (28 Aug 2026)
- Chromium: CVE-2026-79226 Improper privilege management in Regional Capabilities (28 Aug 2026)
- Chromium: CVE-2026-79225 Incorrect authorization in Browser (28 Aug 2026)
- Chromium: CVE-2026-79224 Use after free in Chromecast (28 Aug 2026)
- Chromium: CVE-2026-79223 Integer overflow in Chromium (28 Aug 2026)
- Chromium: CVE-2026-79221 Uninitialized resource in Dawn (28 Aug 2026)
- Chromium: CVE-2026-79220 Information leak in Network (28 Aug 2026)
- Chromium: CVE-2026-79219 Use after free in Bluetooth (28 Aug 2026)
Recommended next steps
- Identify affected assets and confirm update applicability.
- Prioritise actively exploited or internet-facing risk according to your organisation’s process.
- Test patches in a representative ring, deploy in approved windows and verify service health.
- Record exceptions, mitigations and the next review date.