CVE-2015-1770 Microsoft Office: software flaw
In plain words: A mistake in the software that attackers have found a way to abuse. Depends on the product — see the description and the vendor advisory.
Confirmed exploited by CISA on · US federal patch deadline Apr 18, 2022
What to do
- Install Microsoft's security update for Office. If no update exists, follow the vendor's workaround or stop using the product until one ships.
- Turn on automatic updates for the operating system and for Office, PDF and archive apps.
- Be careful with unexpected attachments — documents, .zip/.rar files and shortcuts are common bait.
- Use a normal (non-admin) account day to day and keep built-in protection like Microsoft Defender on.
Who is affected
Could reach you. This one is aimed at devices or apps of the kind people own.
What's at risk: Your files, saved passwords and accounts. Many of these let a program that is already running gain full administrator control.
The details
- Official name
- Microsoft Office Uninitialized Memory Use Vulnerability
- Product
- Microsoft Office
- CISA description
- Microsoft Office allows remote attackers to execute arbitrary code via a crafted Office document.
- Type of flaw
- Software flaw (CWE-19)
- Confirmed exploited
- Mar 28, 2022
- US federal patch deadline
- Apr 18, 2022
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Answering about CVE-2015-1770 ·
Questions about CVE-2015-1770
Is CVE-2015-1770 being exploited?
Yes. CISA added CVE-2015-1770 to its Known Exploited Vulnerabilities catalog on Mar 28, 2022, which means there is reliable evidence of real-world attacks.
How do I fix CVE-2015-1770?
Install Microsoft's security update for Office. If no update exists, follow the vendor's workaround or stop using the product until one ships. Turn on automatic updates for the operating system and for Office, PDF and archive apps.
Am I affected by CVE-2015-1770?
Only if you use Microsoft Office. This one is aimed at devices or apps of the kind people own.