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Yes, some cropped image content could be partially recovered in the Windows Snipping Tool flaw known as Acropalypse—but only under specific conditions. The reported problem occurred when the app edited an existing image and saved over that same file, leaving unused image data at the end. It did not mean that every crop was recoverable, or that anyone could remotely access every screenshot.

What was the Acropalypse flaw in Windows Snipping Tool?

The reported Windows 11 issue involved how Snipping Tool saved edits over an existing image. After a crop, the app could write the smaller visible image without removing all the old bytes that followed it in the file. A normal image viewer displayed the crop and ignored the leftover data, but analysis of that data could reveal some content from before the edit.

In PNG examples, the remaining bytes were after the file’s IEND marker, which marks the end of the image data. The flaw concerned local file handling; it was not evidence that Microsoft uploaded the screenshot or that an attacker could remotely retrieve every image. BleepingComputer’s March 2023 report described partial recovery, not guaranteed restoration of the entire original.

When could someone recover a cropped screenshot?

The important condition was that Snipping Tool edited an existing image and overwrote that same file. The reported behavior does not establish that every new screenshot, every crop, or every PNG was affected. Nor does it establish whether a particular old file still contains recoverable information.

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Magicmoon 2-Pack 24 Inch Computer Privacy Screen Filter for 16:9 Monitor
  • Compatible Model(s): Magicmoon brand filter only for 24 inch -diagonally measured - widescreen monitor - aspect ratio 16:9 - filter size: width: 20 15/16", Height: 11 13/16" (531mm x 298mm)
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  • Potentially exposed: an image edited in the affected app and saved over its original while the flaw was present.
  • Not established by the report: that every such file can be recovered, that recovery is complete, or that every image type or save path was affected.
  • Different situation: the report concerned editing and overwriting an existing file, not simply taking a screenshot or saving a new image under a different name.

If an old shared image contained sensitive material outside the crop, treat that material as potentially exposed if you know it was edited and saved over the original in the affected software. The available reporting cannot determine the contents or recoverability of an individual file.

Which Windows apps were affected, and what was known about the fix?

The historical reporting distinguished the Windows 11 Snipping Tool from the Windows 10 Snip & Sketch app. The version and availability information below describes what BleepingComputer reported on March 23, 2023; it is not a statement of current release status.

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System and app What the report said How to interpret it now
Windows 11 Snipping Tool Version 11.2302.20.0, distributed to Windows Insiders in the Canary channel through Microsoft Store, fixed the reported behavior by truncating unused image data when overwriting a file. This was an Insider release in March 2023. The report described a production release as forthcoming; it does not establish which version is currently installed or generally available.
Windows 10 Snip & Sketch The March 23, 2023 report said the app was affected and that no update was then available to Insiders. That is historical status only. The available information does not establish the current Windows 10 fix or app status.

See the dated BleepingComputer report on the fix. Microsoft was quoted in a separate March 21 report as saying: “We are aware of these reports and are investigating. We will take action as needed to help keep customers protected,” a Microsoft spokesperson told BleepingComputer. The spokesperson was not identified by name.

What should you do if you used Snipping Tool to redact an image?

  1. Update the app. Open Microsoft Store and check for available updates to Snipping Tool. The March 2023 Insider fix is historical evidence, not proof of the version or rollout on your PC today.
  2. For a new redacted image, avoid overwriting the original. Save the edited image as a new file. If the information is sensitive, use a method that removes or covers it irreversibly, then verify the saved result rather than relying only on how it looks in the editor.
  3. Assess old shared files cautiously. If you edited an image over the original using the affected software, consider whether the unshown area contained information that should not have been shared. The reporting does not offer a way to establish from appearance alone whether a particular file retains recoverable data.
  4. Check current official status if you need certainty. Consult current Microsoft Store release information or Microsoft’s Security Update Guide. The cited historical reports do not verify present-day app versions, rollout, or Windows 10 remediation.
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Was this the same flaw as the Pixel Markup issue?

Acropalypse was also used in coverage of a similar privacy outcome involving Google’s Pixel Markup tool, but the reported underlying causes differed. The Windows issue described here was about Snipping Tool leaving trailing data when it overwrote an edited image; the similarity does not mean the two tools shared the same bug.

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