CVE-2026-45481

MEDIUMCVSS 5.4/10EPSS 0.69%

Last modified

CVE-2026-45481 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. 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.. EPSS estimates a 0.69% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1
5.4/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS Probability
0.69%

48.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
MicrosoftSharepoint Server< 16.0.19725.20384
MicrosoftSharepoint Server2016
MicrosoftSharepoint Server2019

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2026-45481?
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 severe is CVE-2026-45481?
CVE-2026-45481 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.69% probability of exploitation in the next 30 days.
How do I fix CVE-2026-45481?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-45481?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST