Microsoft Copilot vulnerability allowed hackers to steal passwords via secret parameter

Revelation News Editorial DeskAugust 18, 2026

Source Summary

A secret parameter in Microsoft Copilot could be exploited by hackers to steal passwords when a target clicked on a malicious link.

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Ars Technica ↗

NASDAQ:MSFTLive chart

Trading trends

The chart totals every SEC-reported transaction by month and share count, separating informative purchases and sales from non-informative awards, vesting, exercises, tax withholding and transfers. Records without a reported price remain included. Only informative purchases and sales affect the conservative sentiment signal.

Recent SEC-reported share and derivative transactions in MICROSOFT CORP.

Insider activity sentiment

Bearish

BearishNeutralBullish

0 discretionary purchases · 2 discretionary sales

Confidence: Medium

Informative buyNon-informative buyInformative sellNon-informative sell

Insiders	Activity	Description	Shares	Avg. price / share	Est. value	Trade date
EVP, Chief Human Resources OffColeman Amy	Non-informative sell	Common StockTax or exercise-price withholding (F)	31.94	—	—	Oct 15, 2026
EVP, Chief Financial OfficerHood Amy	Non-informative sell	Common StockReported 10b5-1 plan (S)	3,387	$544.8001	$1,845,238	Oct 13, 2026
EVP, Chief Financial OfficerHood Amy	Non-informative sell	Common StockReported 10b5-1 plan (S)	2,927	$545.7722	$1,597,475	Oct 13, 2026
EVP, Chief Financial OfficerHood Amy	Non-informative sell	Common StockReported 10b5-1 plan (S)	991	$546.5084	$541,590	Oct 13, 2026
Vice Chair and PresidentSMITH BRADFORD L	Non-informative buy	Common StockCompany grant or award (A)	29,077	—	—	Sep 15, 2026

As filed with the SEC. Estimated value is shown only for purchases or sales with a positive reported transaction price; awards, gifts and similar activity are not assigned an assumed market value. Amendments may change the record. This is not investment advice.

Short interest

Open short positions reported twice monthly; this is not daily short-sale volume.

Earnings

Recent reported earnings per share compared with the analyst consensus available from Nasdaq.

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Owner	Activity	Change	Shares held	Value (thousands)	Reported
Vanguard Group Inc	Buy	15,955,898 (2.273%)	717,942,580	$374,105,520	12/31/2025
Blackrock, Inc.	Buy	14,038,542 (2.366%)	607,367,113	$316,486,855	6/30/2026
Vanguard Capital Management Llc	Buy	2,633,921 (0.546%)	485,192,007	$252,823,851	6/30/2026
State Street Corp	Buy	8,944,917 (2.916%)	315,653,206	$164,480,573	6/30/2026
Geode Capital Management, Llc	Buy	1,130,172 (0.6%)	189,632,090	$98,813,489	6/30/2026
Fmr Llc	Sell	-4,251,301 (-2.235%)	185,960,066	$96,900,071	6/30/2026
Vanguard Portfolio Management Llc	Buy	916,793 (0.547%)	168,407,641	$87,753,854	6/30/2026
Jpmorgan Chase & Co	Buy	8,044,517 (6.328%)	135,173,516	$70,436,216	6/30/2026
Morgan Stanley	Buy	2,793,373 (2.237%)	127,674,661	$66,528,712	6/30/2026
Norges Bank	Sell	-2,028,285 (-1.936%)	102,732,956	$53,532,089	6/30/2026
Invesco Ltd.	Buy	1,500,606 (1.52%)	100,247,890	$52,237,171	6/30/2026
Capital Research Global Investors	Sell	-1,342,692 (-1.397%)	94,750,369	$49,372,522	6/30/2026

Settlement date	Short interest	Avg. daily volume	Change vs. previous report	Days to cover
Sep 30, 2026	61,133,927	23,981,233	-9.22%	2.55
Sep 15, 2026	67,346,414	18,052,501	-9.54%	3.73
Aug 31, 2026	74,451,155	23,419,047	+8.62%	3.18
Aug 14, 2026	68,544,953	33,441,152	-15.70%	2.05
Jul 31, 2026	81,311,791	40,018,336	-11.97%	2.03
Jul 15, 2026	92,373,474	32,422,509	+3.72%	2.85
Jun 30, 2026	89,063,316	60,620,478	-6.43%	1.47
Jun 15, 2026	95,188,264	36,471,418	—	2.61

Fiscal quarter	Reported	EPS	Consensus	Surprise
Jun 2026	Jul 29, 2026	4.74	4.21	+12.59%
Mar 2026	Apr 29, 2026	4.27	4.07	+4.91%
Dec 2025	Jan 28, 2026	4.14	3.88	+6.7%
Sep 2025	Oct 29, 2025	4.13	3.65	+13.15%

Source Summary

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Insider activity sentiment

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