Microsoft
July 2026 Security Updates
2026-Jul Jul 14, 2026 Source: Vendor
Imported by the Microsoft release catcher from the MSRC CVRF API (2026-Jul, revision 2026-08-03T07:00:00Z). 2070 vulnerabilities, 658 of them carrying an acknowledgement. Draft — review before publishing.
Source of record
The credited names below are quoted verbatim from the vendor's own advisory:
https://msrc.microsoft.com/update-guide/releaseNote/2026-Jul
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Credited
1055 lines
Showing 301–350 of 1055 · page 7 of 22
CVE-2026-50333
BR2026-0000-000301
unclaimed
Windows Spaceport.sys Elevation of Privilege Vulnerability
Credited as @2st__ with Diffract
CVE-2026-50333
BR2026-0000-000302
unclaimed
Windows Spaceport.sys Elevation of Privilege Vulnerability
Credited as Zhiniang Peng with HUST
CVE-2026-50333
BR2026-0000-000303
unclaimed
Windows Spaceport.sys Elevation of Privilege Vulnerability
Credited as kang
CVE-2026-49801
BR2026-0000-000304
unclaimed
Windows SMB Information Disclosure Vulnerability
Credited as sweetchip
CVE-2026-49802
BR2026-0000-000305
unclaimed
Windows USB Print Driver Elevation of Privilege Vulnerability
Credited as AIフィジカルインターフェイス二号機
CVE-2026-49805
BR2026-0000-000306
unclaimed
Win32k Elevation of Privilege Vulnerability
Credited as mad31k working with TrendAI Zero Day Initiative
CVE-2026-50318
BR2026-0000-000307
unclaimed
Windows Resilient File System (ReFS) Elevation of Privilege Vulnerability
Credited as pwn2addr
CVE-2026-50318
BR2026-0000-000308
unclaimed
Windows Resilient File System (ReFS) Elevation of Privilege Vulnerability
Credited as Donghyeon Oh with Patchpoint
CVE-2026-50318
BR2026-0000-000309
unclaimed
Windows Resilient File System (ReFS) Elevation of Privilege Vulnerability
Credited as Jonghoi Kim
CVE-2026-50318
BR2026-0000-000310
unclaimed
Windows Resilient File System (ReFS) Elevation of Privilege Vulnerability
Credited as R4nger with Kunlun Lab
CVE-2026-50318
BR2026-0000-000311
unclaimed
Windows Resilient File System (ReFS) Elevation of Privilege Vulnerability
Credited as Zhiniang Peng with HUST
CVE-2026-50318
BR2026-0000-000312
unclaimed
Windows Resilient File System (ReFS) Elevation of Privilege Vulnerability
Credited as Thanatos Tian (HKPolyU)
CVE-2026-50318
BR2026-0000-000313
unclaimed
Windows Resilient File System (ReFS) Elevation of Privilege Vulnerability
Credited as wgg
CVE-2026-50318
BR2026-0000-000314
unclaimed
Windows Resilient File System (ReFS) Elevation of Privilege Vulnerability
Credited as @2st__ with Diffract
CVE-2026-50351
BR2026-0000-000315
unclaimed
Windows Audio Compression Manager (ACM) Elevation of Privilege Vulnerability
Credited as XBreach.ai
CVE-2026-50351
BR2026-0000-000316
unclaimed
Windows Audio Compression Manager (ACM) Elevation of Privilege Vulnerability
Credited as Yehuda Smirnov with Microsoft
CVE-2026-50351
BR2026-0000-000317
unclaimed
Windows Audio Compression Manager (ACM) Elevation of Privilege Vulnerability
Credited as Naor Evgi with White-Hat LTD
CVE-2026-50351
BR2026-0000-000318
unclaimed
Windows Audio Compression Manager (ACM) Elevation of Privilege Vulnerability
Credited as CrowdStrike Advanced Research Team with CrowdStrike
CVE-2026-50351
BR2026-0000-000319
unclaimed
Windows Audio Compression Manager (ACM) Elevation of Privilege Vulnerability
Credited as Mateusz Garncarek with Digital-Missiles
CVE-2026-50351
BR2026-0000-000320
unclaimed
Windows Audio Compression Manager (ACM) Elevation of Privilege Vulnerability
Credited as Ali Toni with Al-Esraa University
CVE-2026-50351
BR2026-0000-000321
unclaimed
Windows Audio Compression Manager (ACM) Elevation of Privilege Vulnerability
Credited as pwn2addr
CVE-2026-50351
BR2026-0000-000322
unclaimed
Windows Audio Compression Manager (ACM) Elevation of Privilege Vulnerability
Credited as Andrea Bocchetti
CVE-2026-50351
BR2026-0000-000323
unclaimed
Windows Audio Compression Manager (ACM) Elevation of Privilege Vulnerability
Credited as Lydéric LEFEBVRE with Blackfield Security
CVE-2026-50351
BR2026-0000-000324
unclaimed
Windows Audio Compression Manager (ACM) Elevation of Privilege Vulnerability
Credited as Noam Pomerantz
CVE-2026-50351
BR2026-0000-000325
unclaimed
Windows Audio Compression Manager (ACM) Elevation of Privilege Vulnerability
Credited as Vishal Chauhan
CVE-2026-49807
BR2026-0000-000326
unclaimed
Windows DirectX Information Disclosure Vulnerability
Credited as Jmini with Stealien
CVE-2026-50342
BR2026-0000-000327
unclaimed
Windows MIDI Service Module Elevation of Privileges Vulnerability
Credited as ChengBin Wang with ZheJiang Guoli Security Technology
CVE-2026-50298
BR2026-0000-000328
unclaimed
Windows Spaceport.sys Elevation of Privilege Vulnerability
Credited as Nils Holten
CVE-2026-50298
BR2026-0000-000329
unclaimed
Windows Spaceport.sys Elevation of Privilege Vulnerability
Credited as Thanatos Tian (HKPolyU)
CVE-2026-50298
BR2026-0000-000330
unclaimed
Windows Spaceport.sys Elevation of Privilege Vulnerability
Credited as wgg
CVE-2026-50298
BR2026-0000-000331
unclaimed
Windows Spaceport.sys Elevation of Privilege Vulnerability
Credited as @2st__ with Diffract
CVE-2026-50298
BR2026-0000-000332
unclaimed
Windows Spaceport.sys Elevation of Privilege Vulnerability
Credited as Zhiniang Peng with HUST
CVE-2026-50298
BR2026-0000-000333
unclaimed
Windows Spaceport.sys Elevation of Privilege Vulnerability
Credited as yhw
CVE-2026-50298
BR2026-0000-000334
unclaimed
Windows Spaceport.sys Elevation of Privilege Vulnerability
Credited as txz
CVE-2026-50316
BR2026-0000-000335
unclaimed
Windows Kernel Information Disclosure Vulnerability
Credited as Aman
CVE-2026-50354
BR2026-0000-000336
unclaimed
Windows Kernel Elevation of Privilege Vulnerability
Credited as Seung Chan Kim
CVE-2026-50354
BR2026-0000-000337
unclaimed
Windows Kernel Elevation of Privilege Vulnerability
Credited as yhw
CVE-2026-50354
BR2026-0000-000338
unclaimed
Windows Kernel Elevation of Privilege Vulnerability
Credited as txz
CVE-2026-50296
BR2026-0000-000339
unclaimed
DirectX Graphics Kernel Elevation of Privilege Vulnerability
Credited as Divya
CVE-2026-50297
BR2026-0000-000340
unclaimed
Win32k Elevation of Privilege Vulnerability
Credited as TrendAI Zero Day Initiative
CVE-2026-50325
BR2026-0000-000341
unclaimed
Win32k Elevation of Privilege Vulnerability
Credited as TrendAI Zero Day Initiative
CVE-2026-50384
BR2026-0000-000342
unclaimed
Windows Clip Service Elevation of Privilege Vulnerability
Credited as Jongseong Kim (nevul37), SEC-agent team
CVE-2026-50384
BR2026-0000-000343
unclaimed
Windows Clip Service Elevation of Privilege Vulnerability
Credited as Hwiwon Lee (hwiwonl), SEC-agent team
CVE-2026-50384
BR2026-0000-000344
unclaimed
Windows Clip Service Elevation of Privilege Vulnerability
Credited as Younggi Park (grill66), SEC-agent team
CVE-2026-50384
BR2026-0000-000345
unclaimed
Windows Clip Service Elevation of Privilege Vulnerability
Credited as Pwnforr777
CVE-2026-50295
BR2026-0000-000346
unclaimed
Windows Zero Trust DNS Security Feature Bypass Vulnerability
Credited as ChenJian with Sea Security Orca Team
CVE-2026-50350
BR2026-0000-000347
unclaimed
Windows Trusted Runtime Interface Driver Information Disclosure Vulnerability
Credited as Yun Cong
CVE-2026-50381
BR2026-0000-000348
unclaimed
Composite Image File System driver (cimfs.sys) Information Disclosure Vulnerability
Credited as YuilMuil(Yoon Jung Hyun)
CVE-2026-50300
BR2026-0000-000349
unclaimed
Windows DWM Core Library Information Disclosure Vulnerability
Credited as Varun Goel
CVE-2026-50303
BR2026-0000-000350
unclaimed
Windows Key Guard Security Feature Bypass Vulnerability
Credited as Leshi Yang