Sony is now rolling out a new software update for its "Made for Bond" flagship smartphones.

The patch doesn't have a ton of visual improvements, but it primarily aims to fix the dreaded Stagefright vulnerability.

According to Xperia Blog, the update is for the Xperia Z5, Xperia Z5 Dual and Xperia Z5 Compact. It has the build number 32.0.A.6.152 and weighs 281 MB.

Users of the aforementioned devices quickly took to XDA-Developers to report some of the subtle yet noteworthy changes. Camera load time is said to be much faster while the handset's fingerprint scanner is said to be smarter and more accurate. Overall performance is reportedly improved.

However, the new firmware's magnum opus is its comprehensive fix for Stagefright, a software exploit that has been plaguing Android devices since early this year.

Stagefright was first discovered in April by Zimperium Research Labs programmer Joshua Drake.

"Attackers only need your mobile number, using which they can remotely execute code via a specially crafted media file delivered via MMS. A fully weaponized successful attack could even delete the message before you see it. You will only see the notification. These vulnerabilities are extremely dangerous because they do not require that the victim take any action to be exploited," said Zimperium on its official blog post.

The loophole lets hackers send malicious codes to an Android device via a simple MMS message. Once received, the codes allow hackers to take control of the infected device. Hackers only need the mobile numbers of their intended victims.

The Z-Team added that unlike spear-phishing, the exploit can be prompted even when the device is in standby mode. Hackers can access the infected device's camera, microphone and other user data.

The Stagefright vulnerability potentially endangers 95 percent of Android devices, which roughly translates to over 950 million devices. It affects devices running on Android 2.2 onwards. Devices running on operating systems older than Android Jelly Bean have the highest risk for exploitation since Google rarely releases software updates for older OS.

Owners of the latest Xperia smartphones are advised to check the update through Sony's PC app since it's more efficient than waiting for the OTA to reach mobile devices. The update is officially released although availability may vary across different regions.

The global version of the Xperia Z5 Compact was just recently made available in US soil via Amazon. The smartphone is unlocked and costs $430, Phone Arena reported. This version will most likely get the new firmware update in the coming weeks.