Skip to content
OpenAdvisories

Source

Microsoft Security Response Center

Source: https://msrc.microsoft.com/update-guide/

All Critical High Medium Low With exploited CVEs

8,900 results · Clear filters · Feed

  • High max 8.8
    MSRC-CVE-2026-77901 1 CVE rev. 3

    Microsoft Office Word Remote Code Execution Vulnerability

    Impact: Remote Code Execution. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

    Microsoft
    first Sep 8, 2026
  • High max 8.8
    MSRC-CVE-2026-78517 1 CVE rev. 4

    Microsoft Office Word Remote Code Execution Vulnerability

    Impact: Remote Code Execution. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

    Microsoft
    first Sep 8, 2026
  • High max 7.8
    MSRC-CVE-2026-62871 1 CVE rev. 3

    .NET Elevation of Privilege Vulnerability

    Impact: Remote Code Execution. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

    Microsoft
    first Aug 11, 2026
  • High max 7.8
    MSRC-CVE-2026-55039 1 CVE rev. 3

    Microsoft Excel Remote Code Execution Vulnerability

    Impact: Remote Code Execution. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

    Microsoft
    first Jul 14, 2026
  • High max 7.8
    MSRC-CVE-2026-56176 1 CVE rev. 2

    Windows Win32k Elevation of Privilege Vulnerability

    Impact: Elevation of Privilege. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

    Microsoft
    first Jul 14, 2026
  • High max 5.5
    MSRC-CVE-2026-55121 1 CVE rev. 3

    Microsoft Office Information Disclosure Vulnerability

    Impact: Information Disclosure. Microsoft rating: Important. Not known to be exploited — Exploitation Unlikely. Customer action: Required.

    Microsoft
    first Jul 14, 2026
  • High max 5.5
    MSRC-CVE-2026-85875 1 CVE rev. 2

    Microsoft Office Excel Information Disclosure Vulnerability

    Impact: Information Disclosure. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

    Microsoft
    first Sep 8, 2026
  • High max 7.8
    MSRC-CVE-2026-81388 1 CVE rev. 2

    Microsoft Excel Remote Code Execution Vulnerability

    Impact: Remote Code Execution. Microsoft rating: Important. Not known to be exploited — Exploitation Unlikely. Customer action: Required.

    Microsoft
    first Sep 8, 2026
  • High max 5.5
    MSRC-CVE-2026-81395 1 CVE rev. 2

    Microsoft Excel Information Disclosure Vulnerability

    Impact: Information Disclosure. Microsoft rating: Important. Not known to be exploited — Exploitation Unlikely. Customer action: Required.

    Microsoft
    first Sep 8, 2026
  • High max 7.8
    MSRC-CVE-2026-81960 1 CVE rev. 2

    Microsoft Excel Remote Code Execution Vulnerability

    Impact: Remote Code Execution. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

    Microsoft
    first Sep 8, 2026
  • High max 7.0
    MSRC-CVE-2026-81389 1 CVE rev. 2

    Microsoft Excel Remote Code Execution Vulnerability

    Impact: Remote Code Execution. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

    Microsoft
    first Sep 8, 2026
  • High max 5.5
    MSRC-CVE-2026-81400 1 CVE rev. 2

    Microsoft Excel Information Disclosure Vulnerability

    Impact: Information Disclosure. Microsoft rating: Important. Not known to be exploited — Exploitation Unlikely. Customer action: Required.

    Microsoft
    first Sep 8, 2026
  • High max 5.5
    MSRC-CVE-2026-81393 1 CVE rev. 2

    Microsoft Excel Information Disclosure Vulnerability

    Impact: Information Disclosure. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

    Microsoft
    first Sep 8, 2026
  • High max 7.8
    MSRC-CVE-2026-81956 1 CVE rev. 2

    Microsoft Excel Remote Code Execution Vulnerability

    Impact: Remote Code Execution. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

    Microsoft
    first Sep 8, 2026
  • High max 7.8
    MSRC-CVE-2026-81397 1 CVE rev. 2

    Microsoft Excel Remote Code Execution Vulnerability

    Impact: Remote Code Execution. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

    Microsoft
    first Sep 8, 2026
  • High max 5.5
    MSRC-CVE-2026-81392 1 CVE rev. 2

    Microsoft Excel Information Disclosure Vulnerability

    Impact: Information Disclosure. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

    Microsoft
    first Sep 8, 2026
  • High max 5.5
    MSRC-CVE-2026-81958 1 CVE rev. 2

    Microsoft Excel Information Disclosure Vulnerability

    Impact: Information Disclosure. Microsoft rating: Important. Not known to be exploited — Exploitation Unlikely. Customer action: Required.

    Microsoft
    first Sep 8, 2026
  • High max 5.5
    MSRC-CVE-2026-81401 1 CVE rev. 2

    Microsoft Excel Information Disclosure Vulnerability

    Impact: Information Disclosure. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

    Microsoft
    first Sep 8, 2026
  • High max 5.5
    MSRC-CVE-2026-81391 1 CVE rev. 2

    Microsoft Excel Information Disclosure Vulnerability

    Impact: Information Disclosure. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

    Microsoft
    first Sep 8, 2026
  • High max 5.5
    MSRC-CVE-2026-81399 1 CVE rev. 2

    Microsoft Excel Information Disclosure Vulnerability

    Impact: Information Disclosure. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

    Microsoft
    first Sep 8, 2026
  • High max 5.5
    MSRC-CVE-2026-81390 1 CVE rev. 2

    Microsoft Excel Information Disclosure Vulnerability

    Impact: Information Disclosure. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

    Microsoft
    first Sep 8, 2026
  • High max 5.5
    MSRC-CVE-2026-81387 1 CVE rev. 2

    Microsoft Excel Information Disclosure Vulnerability

    Impact: Information Disclosure. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

    Microsoft
    first Sep 8, 2026
  • High max 7.8
    MSRC-CVE-2026-81947 1 CVE rev. 2

    Microsoft Excel Remote Code Execution Vulnerability

    Impact: Remote Code Execution. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

    Microsoft
    first Sep 8, 2026
  • High max 7.8
    MSRC-CVE-2026-81386 1 CVE rev. 2

    Microsoft Excel Remote Code Execution Vulnerability

    Impact: Remote Code Execution. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

    Microsoft
    first Sep 8, 2026
  • High max 6.5
    MSRC-CVE-2026-80082 1 CVE rev. 2

    Microsoft Office Information Disclosure Vulnerability

    Impact: Information Disclosure. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

    Microsoft
    first Sep 8, 2026
  • High max 6.5
    MSRC-CVE-2026-80090 1 CVE rev. 2

    Microsoft Office Word Information Disclosure Vulnerability

    Impact: Information Disclosure. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

    Microsoft
    first Sep 8, 2026
  • High max 6.5
    MSRC-CVE-2026-80089 1 CVE rev. 2

    Microsoft Office Information Disclosure Vulnerability

    Impact: Information Disclosure. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

    Microsoft
    first Sep 8, 2026
  • High max 6.5
    MSRC-CVE-2026-80091 1 CVE rev. 2

    Microsoft Office Information Disclosure Vulnerability

    Impact: Information Disclosure. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

    Microsoft
    first Sep 8, 2026
  • High max 6.5
    MSRC-CVE-2026-80088 1 CVE rev. 2

    Microsoft Office Word Information Disclosure Vulnerability

    Impact: Information Disclosure. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

    Microsoft
    first Sep 8, 2026
  • High max 8.8
    MSRC-CVE-2026-80085 1 CVE rev. 2

    Microsoft Office Word Remote Code Execution Vulnerability

    Impact: Remote Code Execution. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

    Microsoft
    first Sep 8, 2026
  • High max 6.5
    MSRC-CVE-2026-80087 1 CVE rev. 2

    Microsoft Office Information Disclosure Vulnerability

    Impact: Information Disclosure. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

    Microsoft
    first Sep 8, 2026
  • High max 6.5
    MSRC-CVE-2026-80086 1 CVE rev. 2

    Microsoft Office PowerPoint Information Disclosure Vulnerability

    Impact: Information Disclosure. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

    Microsoft
    first Sep 8, 2026
  • High max 6.5
    MSRC-CVE-2026-80076 1 CVE rev. 2

    Microsoft Office Information Disclosure Vulnerability

    Impact: Information Disclosure. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

    Microsoft
    first Sep 8, 2026
  • High max 6.5
    MSRC-CVE-2026-80078 1 CVE rev. 2

    Microsoft Office Information Disclosure Vulnerability

    Impact: Information Disclosure. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

    Microsoft
    first Sep 8, 2026
  • High max 8.8
    MSRC-CVE-2026-78521 1 CVE rev. 2

    Microsoft Office Word Remote Code Execution Vulnerability

    Impact: Remote Code Execution. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

    Microsoft
    first Sep 8, 2026
  • High max 6.5
    MSRC-CVE-2026-78503 1 CVE rev. 2

    Microsoft Office Word Information Disclosure Vulnerability

    Impact: Information Disclosure. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

    Microsoft
    first Sep 8, 2026
  • High max 8.8
    MSRC-CVE-2026-78514 1 CVE rev. 2

    Microsoft Office Word Remote Code Execution Vulnerability

    Impact: Remote Code Execution. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

    Microsoft
    first Sep 8, 2026
  • High max 8.8
    MSRC-CVE-2026-78512 1 CVE rev. 2

    Microsoft Office Word Remote Code Execution Vulnerability

    Impact: Remote Code Execution. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

    Microsoft
    first Sep 8, 2026
  • High max 5.5
    MSRC-CVE-2026-78506 1 CVE rev. 2

    Microsoft Office Word Information Disclosure Vulnerability

    Impact: Information Disclosure. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

    Microsoft
    first Sep 8, 2026
  • High max 8.8
    MSRC-CVE-2026-78507 1 CVE rev. 2

    Microsoft Office Word Remote Code Execution Vulnerability

    Impact: Remote Code Execution. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

    Microsoft
    first Sep 8, 2026