SARA / Free Tools / CVE / CVE-2019-1449

CVE-2019-1449 — A security feature bypass vulnerability exists in the way that Office Click-to-R

A security feature bypass vulnerability exists in the way that Office Click-to-Run (C2R) components handle a specially crafted file, which could lead to a standard user, any AppContainer sandbox, and Office LPAC Protected View to escalate privileges to SYSTEM.To exploit this bug,

CVSS
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EPSS
5.73% (top 9.70%)
CWE
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Published
2019-11-12T18:53:19.000Z
Last modified
2024-08-04T18:20:27.673Z
CVSS vector
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01What is this vulnerability?

A security feature bypass vulnerability exists in the way that Office Click-to-Run (C2R) components handle a specially crafted file, which could lead to a standard user, any AppContainer sandbox, and Office LPAC Protected View to escalate privileges to SYSTEM.To exploit this bug, an attacker would have to run a specially crafted file, aka 'Microsoft Office ClickToRun Security Feature Bypass…

02Affected products

VendorProductVersions
MicrosoftMicrosoft Office2019 for 32-bit editions, 2019 for 64-bit editions
MicrosoftOffice 365 ProPlus32-bit Systems, 64-bit Systems

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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