CVE-2010-1991

medium

Published 2010-05-20 · Modified 2026-04-29

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CVSS v3

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CVSS v4 NEW

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not yet in upstream

VIR risk

5.0

Description

Microsoft Internet Explorer 6.0.2900.2180, 7, and 8.0.7600.16385 executes a mail application in situations where an IFRAME element has a mailto: URL in its SRC attribute, which allows remote attackers to cause a denial of service (excessive application launches) via an HTML document with many IFRAME elements.

Predictions

Exploit likelihood

20%

Patch ETA

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Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Application impact

Vendor	Product	Versions
microsoft	ie	`8.0.7600.16385`
microsoft	internet_explorer	`6.0.2900.2180`
microsoft	internet_explorer	`7`
microsoft	internet_explorer	`7.0`

References

CWEs

CWE-399

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.