Loading vulnerability…
CVE-2026-26149 is an improper neutralization of escape, meta, or control sequences vulnerability in Microsoft Power Apps. According to the provided advisory context, the flaw allows an authorized attacker to bypass a security feature over a network. Specifically, successful exploitation can bypass the security warning dialog shown for external protocol links in Power Apps canvas apps. By manipulating how external protocol link content is handled, an attacker can cause users to be misled about the nature of the action being triggered, resulting in spoofing and unintended external protocol invocation on the user’s device. Microsoft assessed the issue as Important, with reporting also describing it as a high-severity Power Apps flaw with a CVSS score of 9.0.
Mallory correlates every CVE against your assets, your vendors, and active adversary campaigns. Know which vulnerabilities matter for you, not just which ones are loud.
What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
If you can’t patch tonight, do this now.
Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
3 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A high-severity Microsoft Power Apps vulnerability involving improper neutralization of escape, meta, or control sequences.
A critical vulnerability affecting Microsoft Power Apps that Microsoft designated as less likely to be exploited.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.