CVE-2012-4791

What it is

Microsoft Exchange Server 2007 SP3 and 2010 SP1 and SP2 allows remote authenticated users to cause a denial of service (Information Store service hang) by subscribing to a crafted RSS feed, aka "RSS Feed May Cause Exchange DoS Vulnerability."

At a glance

Exploitability

Can be exploited over the network with a login. Limited direct impact.

Exploit odds

13.4% chance of exploitation in the next 30 days (EPSS). Higher than most.

Fix

No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

1. 2012-12-12 00:55 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-16 23:45 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 13.4% in the next 30 days (EPSS).
• Severity: 3.5 LOW (CVSS).
• Fix: none linked yet, which raises it.

Details

Published

2012-12-12 00:55 UTC

Last modified

2026-06-16 23:45 UTC

Exploit probability

13.4% · EPSS, next 30 days

Weakness

CWE-94 · Code injection

Record status

Modified

Affected

• Microsoft Exchange Server 2007
• Microsoft Exchange Server 2010

Attack profile CVSS 2.0 · 3.5

Attack vector

Network

Complexity

Medium

Authentication

Single

Confidentiality

None

Integrity

None

Availability

Partial

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2012-4791.md and follow it. Check whether this project is affected by CVE-2012-4791. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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