CVE-2026-96185: Stack-based buffer overflow in Microsoft Exchange Online allows an authorized attacker to execute code over a
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This month
HIGH 7.5WATCHLIST
CVE-2026-96185 is a high-severity flaw (CVSS 7.5) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Stack-based buffer overflow in Microsoft Exchange Online allows an authorized attacker to execute code over a network.
Why this priority
- High severity
- On your watchlist
A fixed release or distro patch exists.
Risk facts
| CVSS score | 7.5 (High) |
| Attack vector | Network (remote) |
| Attack complexity | High |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 0.5% (top 55%) |
| CISA exploited list | No |
| Weakness | CWE-121 |
| Published | 2026-10-22 |
| Last modified | 2026-10-24 |
Publisher (CNA): Microsoft Corporation
Timeline
- Published CVE record published
- Updated Record last modified
Exact fixes by distribution
Fedora 46 · retext · FIXED · 8.1.0-1.fc46 · FEDORA-2026-0602a84203 · source
sudo dnf upgrade --advisory=FEDORA-2026-0602a84203
Advisories and coverage
Official advisories
- Microsoft MSRC Update Guide: CVE-2026-96185 Microsoft Exchange Online Remote Code Execution Vulnerability 2026-10-22
Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.