CVE tracker / CVE-2026-62826
CVE-2026-62826
CVE-2026-62826 is the Microsoft SharePoint Server Spoofing Vulnerability. Microsoft rates it Important, CVSS 4.6. It is not in CISA's Known Exploited Vulnerabilities catalog. Published July 16, 2026.
Risk summary
Microsoft describes it: “Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.”
How to fix it
Microsoft lists 3 affected products and the update that fixes each:
What Microsoft changed
- July 16, 2026: Information published.
- July 16, 2026: Information published. This CVE was addressed by updates that were released in July 2026, but the CVE was inadvertently omitted from the July 2026 Security Updates. This is an informational change only. Customers who have already installed the July 2026 updates do not need to take any further action.
Details
- Weakness
- CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
- Publicly disclosed (Microsoft)
- No
- Exploited (Microsoft)
- No
- Known exploited (CISA KEV)
- Not listed
- Published
- July 16, 2026
- Last revised
- July 16, 2026
Get told when this changes
Senserva Watch emails Microsoft security and patch alerts when something moves: a new exploitation report, a revised fix, a known issue. Free, one email address.
References
From Microsoft, CISA, NVD and FIRST data; the Microsoft details were read when this page was opened. Check the references above before you act.