CVE-2026-62912
Received Received - Intake

Denial of Service in Microsoft Exchange Server via Deserialization

Vulnerability report for CVE-2026-62912, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-08-11

Last updated on: 2026-08-11

Assigner: Microsoft Corporation

Description

Deserialization of untrusted data in Microsoft Exchange Server allows an authorized attacker to deny service over a network.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published
2026-08-11
Last Modified
2026-08-11
Generated
2026-08-11
AI Q&A
2026-08-11
EPSS Evaluated
N/A
NVD
EUVD

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
microsoft exchange_server *

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-502 The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.

Attack-Flow Graph

AI Quick Actions

Instant insights powered by AI
Executive Summary

This vulnerability involves deserialization of untrusted data in Microsoft Exchange Server. An authorized attacker can exploit this to cause a denial of service over a network.

Impact Analysis

An attacker could disrupt services by exploiting this flaw, leading to downtime for Microsoft Exchange Server operations.

Mitigation Strategies

Apply the latest security updates from Microsoft for Exchange Server as soon as possible to patch the deserialization flaw.

Chat Assistant

Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-62912. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70

EPSS Chart