CVE detail
CVE-2026-63516
Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.
Buzz score
Why this CVE is surfacing
This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.
Buzz score components · mention 17.9 · diversity 11.0 · KEV 0.0 · OTX 0.0 · PoC 0.0
Why it matters now
Mention timeline
- Total mentions
- 5
- within the 30d window
- Peak daily
- 5
- highest bucket
Evidence
Source links by recency
5 source links · newest first
ation denial-of-service, and arbitrary code execution. Zero-day Vulnerabilities Patched in August Patch Tuesday Edition CVE-2026-72971: Windows Container Isolation FS Filter Driver (unionfs.sys) Tampering Vulnerability This is a link-following flaw that may allow an authenticated attacker to perform local tampering. CVE-2026-62832: Windows User Profile
vendorblog.qualys.comAug 11, 2026, 9:55 PMktop browser security patches so far this month. SharePoint: critical RCE chain by Rapid7 Today sees the publication of CVE-2026-63520 , a high-severity remote code execution in Microsoft SharePoint. Discovered by Rapid7 Senior Principal Security Researcher Stephen Fewer , and published today in coordination with Microsoft; this vulnerability is the se
vendorwww.rapid7.comAug 11, 2026, 9:10 PMof the vulnerabilities patched this month, followed by remote code execution (RCE) vulnerabilities at 27.1%. Important CVE-2026-68820 | Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability CVE-2026-68820 is an EoP vulnerability affecting Windows Ancillary Function Driver for WinSock. It received a CVSSv3 score of 7.0 and
vendorwww.tenable.comAug 11, 2026, 6:04 PM- The August 2026 Security Update ReviewZero Day Initiative
g actively exploited, at least as 0-days. Again, we’ll start with the bug under active attack and move on from there. - CVE-2026-68820 - Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability This bug allows attackers to execute code at SYSTEM level. Bugs of this type are often paired with code execution bugs to take over a
vendorwww.thezdi.comAug 11, 2026, 5:56 PM Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.
vendormsrc.microsoft.comAug 11, 2026, 2:00 PM
Exploit code
Public exploit repository references
Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.
0 repository references · best confidence N/A · max 0 stars
Related records
Similar CVEs
6 related CVEs with shared weakness or product evidence
- CVE-2026-70321CVSS 8.8 · High
Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
- CVE-2026-66808CVSS 8.8 · High
Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
- CVE-2026-66805CVSS 8.8 · High
Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
- CVE-2026-65665CVSS 8.8 · High
Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
- CVE-2026-65663CVSS 8.8 · High
Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
- CVE-2026-65658CVSS 8.8 · High
Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.