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Security releases

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
Are you credited here? Sign in and claim your line: it is yours immediately, no review queue. The name the vendor printed stays next to your handle for anyone to check against the advisory above, and any member who thinks a claim is wrong can refute it.

Credited

1055 lines
All 1055 CVEs 1055 Additional recognition 0 Unclaimed only
Showing 701–750 of 1055 matching · page 15 of 22 · clear filters
CVE-2026-55021 BR2026-0000-001544 unclaimed
Microsoft SharePoint Server Spoofing Vulnerability
Credited as P1hcn
CVE-2026-55023 BR2026-0000-001545 unclaimed
Microsoft Office Information Disclosure Vulnerability
Credited as Haein Lee
CVE-2026-55023 BR2026-0000-001546 unclaimed
Microsoft Office Information Disclosure Vulnerability
Credited as HangAn
CVE-2026-55025 BR2026-0000-001547 unclaimed
Microsoft Excel Remote Code Execution Vulnerability
Credited as 0ccbbf129444eb66344ccafb92b00df4
CVE-2026-55030 BR2026-0000-001548 unclaimed
Microsoft SharePoint Server Spoofing Vulnerability
Credited as P1hcn
CVE-2026-55125 BR2026-0000-001549 unclaimed
Microsoft Office Remote Code Execution Vulnerability
Credited as Haein Lee
CVE-2026-55125 BR2026-0000-001550 unclaimed
Microsoft Office Remote Code Execution Vulnerability
Credited as 0ccbbf129444eb66344ccafb92b00df4
CVE-2026-55031 BR2026-0000-001551 unclaimed
Microsoft Excel Remote Code Execution Vulnerability
Credited as 0ccbbf129444eb66344ccafb92b00df4
CVE-2026-55026 BR2026-0000-001552 unclaimed
Microsoft Office Information Disclosure Vulnerability
Credited as Haein Lee
CVE-2026-55048 BR2026-0000-001553 unclaimed
Microsoft Excel Remote Code Execution Vulnerability
Credited as 0ccbbf129444eb66344ccafb92b00df4
CVE-2026-55034 BR2026-0000-001554 unclaimed
Microsoft SharePoint Server Spoofing Vulnerability
Credited as P1hcn
CVE-2026-55027 BR2026-0000-001555 unclaimed
Microsoft Office Information Disclosure Vulnerability
Credited as Haein Lee
CVE-2026-55027 BR2026-0000-001556 unclaimed
Microsoft Office Information Disclosure Vulnerability
Credited as Jeongmin Choi
CVE-2026-55029 BR2026-0000-001557 unclaimed
Microsoft Excel Remote Code Execution Vulnerability
Credited as 0ccbbf129444eb66344ccafb92b00df4
CVE-2026-55028 BR2026-0000-001558 unclaimed
Microsoft Office Information Disclosure Vulnerability
Credited as Haein Lee
CVE-2026-55028 BR2026-0000-001559 unclaimed
Microsoft Office Information Disclosure Vulnerability
Credited as 0ccbbf129444eb66344ccafb92b00df4
CVE-2026-55047 BR2026-0000-001560 unclaimed
Microsoft Office Information Disclosure Vulnerability
Credited as Haein Lee
CVE-2026-55039 BR2026-0000-001561 unclaimed
Microsoft Excel Remote Code Execution Vulnerability
Credited as 0ccbbf129444eb66344ccafb92b00df4
CVE-2026-55045 BR2026-0000-001562 unclaimed
Microsoft Office Remote Code Execution Vulnerability
Credited as 0ccbbf129444eb66344ccafb92b00df4
CVE-2026-55050 BR2026-0000-001563 unclaimed
Microsoft Word Information Disclosure Vulnerability
Credited as 0ccbbf129444eb66344ccafb92b00df4
CVE-2026-55050 BR2026-0000-001564 unclaimed
Microsoft Word Information Disclosure Vulnerability
Credited as Jeongmin Choi with S2W
CVE-2026-55050 BR2026-0000-001565 unclaimed
Microsoft Word Information Disclosure Vulnerability
Credited as Haein Lee with KAIST Hacking Lab
CVE-2026-55049 BR2026-0000-001566 unclaimed
Microsoft Office Remote Code Execution Vulnerability
Credited as 0ccbbf129444eb66344ccafb92b00df4
CVE-2026-55049 BR2026-0000-001567 unclaimed
Microsoft Office Remote Code Execution Vulnerability
Credited as Jeongmin Choi with S2W
CVE-2026-55049 BR2026-0000-001568 unclaimed
Microsoft Office Remote Code Execution Vulnerability
Credited as haowei yan
CVE-2026-55049 BR2026-0000-001569 unclaimed
Microsoft Office Remote Code Execution Vulnerability
Credited as xiaozun tang
CVE-2026-55032 BR2026-0000-001570 unclaimed
Microsoft Word Remote Code Execution Vulnerability
Credited as Haifei Li with EXPMON
CVE-2026-55033 BR2026-0000-001571 unclaimed
Microsoft Word Remote Code Execution Vulnerability
Credited as kunlun Lab
CVE-2026-55033 BR2026-0000-001572 unclaimed
Microsoft Word Remote Code Execution Vulnerability
Credited as GLM
CVE-2026-55033 BR2026-0000-001573 unclaimed
Microsoft Word Remote Code Execution Vulnerability
Credited as Seung Chan Kim
CVE-2026-55033 BR2026-0000-001574 unclaimed
Microsoft Word Remote Code Execution Vulnerability
Credited as Haein Lee with KAIST Hacking Lab
CVE-2026-55041 BR2026-0000-001575 unclaimed
Microsoft Excel Remote Code Execution Vulnerability
Credited as Haein Lee with KAIST Hacking Lab
CVE-2026-55041 BR2026-0000-001576 unclaimed
Microsoft Excel Remote Code Execution Vulnerability
Credited as yhw
CVE-2026-55041 BR2026-0000-001577 unclaimed
Microsoft Excel Remote Code Execution Vulnerability
Credited as txz
CVE-2026-55041 BR2026-0000-001578 unclaimed
Microsoft Excel Remote Code Execution Vulnerability
Credited as Jeongmin Choi
CVE-2026-55138 BR2026-0000-001579 unclaimed
Microsoft Excel Information Disclosure Vulnerability
Credited as f4
CVE-2026-55138 BR2026-0000-001580 unclaimed
Microsoft Excel Information Disclosure Vulnerability
Credited as Zhiniang Peng with HUST
CVE-2026-55124 BR2026-0000-001581 unclaimed
Microsoft Word Information Disclosure Vulnerability
Credited as 0ccbbf129444eb66344ccafb92b00df4
CVE-2026-55127 BR2026-0000-001582 unclaimed
Microsoft Word Remote Code Execution Vulnerability
Credited as 0ccbbf129444eb66344ccafb92b00df4
CVE-2026-55136 BR2026-0000-001583 unclaimed
Microsoft Excel Remote Code Execution Vulnerability
Credited as 0ccbbf129444eb66344ccafb92b00df4
CVE-2026-55141 BR2026-0000-001584 unclaimed
Microsoft Excel Remote Code Execution Vulnerability
Credited as 0ccbbf129444eb66344ccafb92b00df4
CVE-2026-55129 BR2026-0000-001585 unclaimed
Microsoft Office Remote Code Execution Vulnerability
Credited as Haein Lee with KAIST Hacking Lab
CVE-2026-55129 BR2026-0000-001586 unclaimed
Microsoft Office Remote Code Execution Vulnerability
Credited as haowei yan
CVE-2026-55129 BR2026-0000-001587 unclaimed
Microsoft Office Remote Code Execution Vulnerability
Credited as xiaozun tang
CVE-2026-55129 BR2026-0000-001588 unclaimed
Microsoft Office Remote Code Execution Vulnerability
Credited as txz
CVE-2026-55129 BR2026-0000-001589 unclaimed
Microsoft Office Remote Code Execution Vulnerability
Credited as yhw
CVE-2026-55035 BR2026-0000-001590 unclaimed
Microsoft Office Information Disclosure Vulnerability
Credited as Jeongmin Choi
CVE-2026-55036 BR2026-0000-001591 unclaimed
Microsoft Excel Remote Code Execution Vulnerability
Credited as 0ccbbf129444eb66344ccafb92b00df4
CVE-2026-55044 BR2026-0000-001592 unclaimed
Microsoft Excel Remote Code Execution Vulnerability
Credited as Haein Lee with KAIST Hacking Lab
CVE-2026-55055 BR2026-0000-001593 unclaimed
Microsoft Word Remote Code Execution Vulnerability
Credited as 0ccbbf129444eb66344ccafb92b00df4